31312304333124 has 48 divisors (see below), whose sum is σ = 73138318391040. Its totient is φ = 10426543495200.

The previous prime is 31312304333047. The next prime is 31312304333131. The reversal of 31312304333124 is 42133340321313.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48755899 + ... + 49393949.

It is an arithmetic number, because the mean of its divisors is an integer number (1523714966480).

Almost surely, 2^{31312304333124} is an apocalyptic number.

It is an amenable number.

31312304333124 is an abundant number, since it is smaller than the sum of its proper divisors (41826014057916).

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

31312304333124 is a wasteful number, since it uses less digits than its factorization.

31312304333124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642320 (or 642318 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 31312304333124 its reverse (42133340321313), we get a palindrome (73445644654437).

The spelling of 31312304333124 in words is "thirty-one trillion, three hundred twelve billion, three hundred four million, three hundred thirty-three thousand, one hundred twenty-four".