31327923044 has 24 divisors (see below), whose sum is σ = 61266584736. Its totient is φ = 13892648000.

The previous prime is 31327923037. The next prime is 31327923071. The reversal of 31327923044 is 44032972313.

It is a junction number, because it is equal to n+sod(n) for n = 31327922989 and 31327923007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8681102 + ... + 8684709.

It is an arithmetic number, because the mean of its divisors is an integer number (2552774364).

Almost surely, 2^31327923044 is an apocalyptic number.

It is an amenable number.

31327923044 is a deficient number, since it is larger than the sum of its proper divisors (29938661692).

31327923044 is a wasteful number, since it uses less digits than its factorization.

31327923044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17365867 (or 17365865 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 31327923044 in words is "thirty-one billion, three hundred twenty-seven million, nine hundred twenty-three thousand, forty-four".