Number 311 facts

The odd number 311 is spelled 🔊, and written in words: three hundred and eleven. The ordinal number 311st is said 🔊 and written as: three hundred and eleventh. The meaning of the number 311 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 311. What is 311 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, videos related to 311.

Interesting facts about the number 311


  • (311) Claudia is asteroid number 311. It was discovered by A. H. Charlois from Nice Observatory on 6/11/1891.

Aircrafts and flights

  • 07/31/1992 the Thai Airways International plane, flight number 311, Airbus A310-304 crashed in Langtang National Park, Nepal 99 passengers and 14 crew members died.

Areas, mountains and surfaces

  • The total area of Sääminginsalo is 413 square miles (1,069 square km). Country Finland (Southern Savonia) (not a true island because it is detached from the mainland by an artificial canal). 311th largest island in the world.

Distances between cities

  • There is a 311 miles (500 km) direct distance between Al Jīzah (Egypt) and Amman (Jordan).
  • There is a 311 miles (499 km) direct distance between Bareilly (India) and Kota (India).
  • There is a 311 miles (499 km) direct distance between Belo Horizonte (Brazil) and São Bernardo do Campo (Brazil).
  • There is a 311 miles (500 km) direct distance between Donetsk (Ukraine) and Volgograd (Russia).
  • More distances between cities ...
  • There is a 311 miles (500 km) direct distance between Durban (South Africa) and Johannesburg (South Africa).
  • There is a 311 miles (499 km) direct distance between Johor Bahru (Malaysia) and Palembang (Indonesia).
  • There is a 311 miles (500 km) direct distance between Multān (Pakistan) and Muzaffarābād (Pakistan).
  • There is a 311 miles (500 km) direct distance between Pyongyang (North Korea) and Ulsan (South Korea).
  • There is a 311 miles (499 km) direct distance between Qingdao (China) and Wuxi (China).
  • There is a 194 miles (311 km) direct distance between Shijiazhuang (China) and Tai’an (China).
  • There is a 311 miles (500 km) direct distance between Taiyuan (China) and Zibo (China).
  • There is a 311 miles (500 km) direct distance between Volgograd (Russia) and Voronezh (Russia).


  • The food additive E-311 Octyl Gallate, Chemical Octyl Gelato is classified as an antioxidant. According to some websites the additive E-311 is considered dangerous.


  • Pokémon Plusle (Purasuru, Prasle) is a Pokémon number # 311 of the National Pokédex. Plusle is an electric type Pokémon in the third generation. It is a Fairy egg group Pokémon. The other Plusle indexes are Kalos Centro index 096 - Central Zone Pokédex, Hoenn index 080 .

History and politics

  • United Nations Security Council Resolution number 311, adopted 4 February 1972. Condemns apartheid in South Africa; arms embargo. Resolution text.
  • As 311 or 3/11, typically pronounced three-eleven by analogy with 9/11, it is commonly used to refer the calendar dates November 3 or March 11, depending on which date notation is used. The latter usage may refer to the March 11, 2011, Tōhoku earthquake and tsunami in Japan or the March 11, 2004, Madrid train bombings.


  • 311 is the is the sum of the first three three-digit primes
  • 311 is the smallest prime expressible as the sum of 3 consecutive palindromes
  • 311 is the smallest prime that is the sum of two, three, and four consecutive composite numbers (311 = 155 + 156 = 102 + 104 + 105 = 76 + 77 + 78 + 80)
  • 311 is a permutable prime.


  • 311 - Amber (Official Music Video)
  • 311 is the name of an American alternative rock band.

What is 311 in other units

The decimal (Arabic) number 311 converted to a Roman number is CCCXI. Roman and decimal number conversions.
The number 311 converted to a Mayan number is mayan number 311
Decimal and Mayan number conversions.

Weight conversion

311 kilograms (kg) = 685.6 pounds (lbs)
311 pounds (lbs) = 141.1 kilograms (kg)

Length conversion

311 kilometers (km) equals to 193.246 miles (mi).
311 miles (mi) equals to 500.506 kilometers (km).
311 meters (m) equals to 1021 feet (ft).
311 feet (ft) equals 94.794 meters (m).
311 centimeters (cm) equals to 122.4 inches (in).
311 inches (in) equals to 789.9 centimeters (cm).

Temperature conversion

311° Fahrenheit (°F) equals to 155° Celsius (°C)
311° Celsius (°C) equals to 591.8° Fahrenheit (°F)

Power conversion

311 Horsepower (hp) equals to 228.71 kilowatts (kW)
311 kilowatts (kW) equals to 422.90 horsepower (hp)

Time conversion

(hours, minutes, seconds, days, weeks)
311 seconds equals to 5 minutes, 11 seconds
311 minutes equals to 5 hours, 11 minutes

Codes and images of the number 311

Number 311 morse code: ...-- .---- .----
Sign language for number 311:
Sign language for number 311 Sign language for number 311 Sign language for number 311
Number 311 in braille:
Number 311 in braille
Images of the number
Image (1) of the numberImage (2) of the number
Number 311 black image Number 311 red image
More images, other sizes, codes and colors ...

Number 311 infographic

Year 311 AD

  • Peter, Patriarch of Alexandria, died.
  • Galerius, Roman emperor, died.
  • Licinius issued his own Edict of Toleration, ending persecution of Christians in his own part of the Roman Empire.

Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)

Gregorian year 311 is Buddhist year 854.
Buddhist year 311 is Gregorian year 232 a. C.
Gregorian year 311 is Islamic year -321 or -320.
Islamic year 311 is Gregorian year 923 or 924.
Gregorian year 311 is Persian year -312 or -311.
Persian year 311 is Gregorian 932 or 933.
Gregorian year 311 is Hebrew year 4071 or 4072.
Hebrew year 311 is Gregorian year 3449 a. C.
The Buddhist calendar is used in Sri Lanka, Cambodia, Laos, Thailand, and Burma. The Persian calendar is the official calendar in Iran and Afghanistan.

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Advanced math operations

Is Prime?

The number 311 is a prime number. The closest prime numbers are 307, 313.
The 311st prime number in order is 2063.

Factorization and factors (dividers)

The prime factors of 311
Prime numbers have no prime factors smaller than themselves.
The factors of 311 are 1, 311.
Total factors 2.
Sum of factors 312 (1).

Prime factor tree

311 is a prime number.


The second power of 3112 is 96.721.
The third power of 3113 is 30.080.231.


The square root √311 is 17,635192.
The cube root of 3311 is 6,775169.


The natural logarithm of No. ln 311 = loge 311 = 5,739793.
The logarithm to base 10 of No. log10 311 = 2,49276.
The Napierian logarithm of No. log1/e 311 = -5,739793.

Trigonometric functions

The cosine of 311 is -0,999844.
The sine of 311 is 0,017672.
The tangent of 311 is -0,017675.

Properties of the number 311

More math properties ...

Number 311 in Computer Science

Code typeCode value
Port 311/TCPApple Server-Admin-Tool, Workgroup-Manager-Tool
(Miscellaneous HTML entities)
Unix timeUnix time 311 is equal to Thursday Jan. 1, 1970, 12:05:11 a.m. GMT
IPv4, IPv6Number 311 internet address in dotted format v4, v6 ::137
311 Decimal = 100110111 Binary
311 Decimal = 102112 Ternary
311 Decimal = 467 Octal
311 Decimal = 137 Hexadecimal (0x137 hex)
311 BASE64MzEx
311 MD59dfcd5e558dfa04aaf37f137a1d9d3e5
311 SHA1cd6d91089c7e219a7f4e86e3c2d57f936d367689
311 SHA224b75e73e5824c7c68642c9b96d522a1aab240cf0847295036f8fb3d2f
311 SHA25620e9c64c05a54d199610fb7e38135361324b5ed5dcf39c23afe9b48926c07376
311 SHA3845fc5bb236782a427c608443902f8e490ad835fa0a3e1ffeefe5ac3d08e60340a8290866833b023d9769de30df0ee0313
More SHA codes related to the number 311 ...

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Numerology 311

The meaning of the number 1 (one), numerology 1

Character frequency 1: 2

Number one (1) came to develop or balance creativity, independence, originality, self-reliance and confidence in the world. It reflects power, creative strength, quick mind, drive and ambition. It is the sign of individualistic and aggressive nature.
More about the the number 1 (one), numerology 1 ...

The meaning of the number 3 (three), numerology 3

Character frequency 3: 1

The number three (3) came to share genuine expression and sensitivity with the world. People associated with this number need to connect with their deepest emotions. The number 3 is characterized by its pragmatism, it is utilitarian, sagacious, dynamic, creative, it has objectives and it fulfills them. He/she is also self-expressive in many ways and with good communication skills.
More about the the number 3 (three), numerology 3 ...

№ 311 in other languages

How to say or write the number three hundred and eleven in Spanish, German, French and other languages.
Spanish: 🔊 (número 311)

trescientos once

German: 🔊 (Nummer 311)


French: 🔊 (nombre 311)

trois cent onze

Portuguese: 🔊 (número 311)

trezentos e onze

Hindi: 🔊 (संख्या 311)

तीन सौ, ग्यारह

Chinese: 🔊 (数 311)


Arabian: 🔊 (عدد 311)

ثلاثمائة و أحد عشر

Czech: 🔊 (číslo 311)

třista jedenáct

Korean: 🔊 (번호 311)


Danish: 🔊 (nummer 311)

trehundrede og elleve

Hebrew: (מספר 311)

שלוש מאות ואחת עשרה

Dutch: 🔊 (nummer 311)


Japanese: 🔊 (数 311)


Indonesian: 🔊 (jumlah 311)

tiga ratus sebelas

Italian: 🔊 (numero 311)


Norwegian: 🔊 (nummer 311)

tre hundre og elleve

Polish: 🔊 (liczba 311)

trzysta jedenaście

Russian: 🔊 (номер 311)

триста одиннадцать

Turkish: 🔊 (numara 311)


Thai: 🔊 (จำนวน 311)


Ukrainian: 🔊 (номер 311)

триста одинадцять

Vietnamese: 🔊 (con số 311)

ba trăm mười một

Other languages ...

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Frequently asked questions about the number 311

  • Is 311 prime and why?

    The number 311 is a prime number because its divisors are: 1, 311.

  • How do you write the number 311 in words?

    311 can be written as "three hundred and eleven".

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