31250804016 has 40 divisors (see below), whose sum is σ = 81471910960. Its totient is φ = 10321364736.

The previous prime is 31250804009. The next prime is 31250804027. The reversal of 31250804016 is 61040805213.

It is a super-2 number, since 2×31250804016² (a number of 22 digits) contains 22 as substring.

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, 2981275 + ... + 2991738.

It is an arithmetic number, because the mean of its divisors is an integer number (2036797774).

Almost surely, 2^31250804016 is an apocalyptic number.

It is an amenable number.

31250804016 is an abundant number, since it is smaller than the sum of its proper divisors (50221106944).

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

31250804016 is a wasteful number, since it uses less digits than its factorization.

31250804016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973133 (or 5973127 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 31250804016 in words is "thirty-one billion, two hundred fifty million, eight hundred four thousand, sixteen".