312131111331032 has 32 divisors (see below), whose sum is σ = 672547698469920. Its totient is φ = 133031412875520.

The previous prime is 312131111331029. The next prime is 312131111331059. The reversal of 312131111331032 is 230133111131213.

It is a junction number, because it is equal to n+sod(n) for n = 312131111330992 and 312131111331010.

It is a congruent number.

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, 15397144133 + ... + 15397164404.

It is an arithmetic number, because the mean of its divisors is an integer number (21017115577185).

Almost surely, 2^{312131111331032} is an apocalyptic number.

It is an amenable number.

312131111331032 is an abundant number, since it is smaller than the sum of its proper divisors (360416587138888).

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

312131111331032 is a wasteful number, since it uses less digits than its factorization.

312131111331032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30794308731 (or 30794308727 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 312131111331032 its reverse (230133111131213), we get a palindrome (542264222462245).

The spelling of 312131111331032 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred eleven million, three hundred thirty-one thousand, thirty-two".