31916053625 has 16 divisors (see below), whose sum is σ = 40203506304. Its totient is φ = 25294207600.

The previous prime is 31916053537. The next prime is 31916053667. The reversal of 31916053625 is 52635061913.

It is not a de Polignac number, because 31916053625 - 2³² = 27621086329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179749 + ... + 1206498.

It is an arithmetic number, because the mean of its divisors is an integer number (2512719144).

Almost surely, 2^31916053625 is an apocalyptic number.

It is an amenable number.

31916053625 is a deficient number, since it is larger than the sum of its proper divisors (8287452679).

31916053625 is a wasteful number, since it uses less digits than its factorization.

31916053625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386369 (or 2386359 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 31916053625 in words is "thirty-one billion, nine hundred sixteen million, fifty-three thousand, six hundred twenty-five".