31142806885204 has 96 divisors (see below), whose sum is σ = 64585824665600. Its totient is φ = 12865489604352.

The previous prime is 31142806885181. The next prime is 31142806885213. The reversal of 31142806885204 is 40258860824113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16497097 + ... + 18287695.

Almost surely, 2^{31142806885204} is an apocalyptic number.

It is an amenable number.

31142806885204 is an abundant number, since it is smaller than the sum of its proper divisors (33443017780396).

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

31142806885204 is a wasteful number, since it uses less digits than its factorization.

31142806885204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790877 (or 1790875 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 52.

The spelling of 31142806885204 in words is "thirty-one trillion, one hundred forty-two billion, eight hundred six million, eight hundred eighty-five thousand, two hundred four".