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311313112122 = 23192730816773
BaseRepresentation
bin1001000011110111011…
…01010001110000111010
31002202112221112200001210
410201323231101300322
520100032124041442
6355003144223550
731330425535455
oct4417355216072
91082487480053
10311313112122
11110033154941
125040216abb6
13234838952ac
14110d383a49c
15817099c19c
hex487bb51c3a

311313112122 has 16 divisors (see below), whose sum is σ = 655396025760. Its totient is φ = 98309403792.

The previous prime is 311313112087. The next prime is 311313112147. The reversal of 311313112122 is 221211313113.

311313112122 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365408273 + ... + 1365408500.

It is an arithmetic number, because the mean of its divisors is an integer number (40962251610).

Almost surely, 2311313112122 is an apocalyptic number.

311313112122 is an abundant number, since it is smaller than the sum of its proper divisors (344082913638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311313112122 is a wasteful number, since it uses less digits than its factorization.

311313112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730816797.

The product of its digits is 216, while the sum is 21.

Adding to 311313112122 its reverse (221211313113), we get a palindrome (532524425235).

The spelling of 311313112122 in words is "three hundred eleven billion, three hundred thirteen million, one hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 2730816773 5461633546 8192450319 16384900638 51885518687 103771037374 155656556061 311313112122