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311121212114 = 21399111194143
BaseRepresentation
bin1001000011100000100…
…01001111001011010010
31002202001120110010202002
410201300101033023102
520044134012241424
6354532131154002
731322605445306
oct4416021171322
91082046403662
10311121212114
1110aa448a4599
1250369a45902
1323452bb5aab
14110b6165d06
15815dbe2cae
hex487044f2d2

311121212114 has 8 divisors (see below), whose sum is σ = 467015404800. Its totient is φ = 155449410516.

The previous prime is 311121212093. The next prime is 311121212117. The reversal of 311121212114 is 411212121113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (311121212117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55594274 + ... + 55599869.

It is an arithmetic number, because the mean of its divisors is an integer number (58376925600).

Almost surely, 2311121212114 is an apocalyptic number.

311121212114 is a deficient number, since it is larger than the sum of its proper divisors (155894192686).

311121212114 is a wasteful number, since it uses less digits than its factorization.

311121212114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111195544.

The product of its digits is 96, while the sum is 20.

Adding to 311121212114 its reverse (411212121113), we get a palindrome (722333333227).

The spelling of 311121212114 in words is "three hundred eleven billion, one hundred twenty-one million, two hundred twelve thousand, one hundred fourteen".

Divisors: 1 2 1399 2798 111194143 222388286 155560606057 311121212114