31925053404 has 36 divisors (see below), whose sum is σ = 80818703784. Its totient is φ = 10625957472.

The previous prime is 31925053387. The next prime is 31925053417. The reversal of 31925053404 is 40435052913.

31925053404 is a `hidden beast` number, since 31 + 92 + 5 + 0 + 534 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630582 + ... + 679325.

It is an arithmetic number, because the mean of its divisors is an integer number (2244963994).

Almost surely, 2^31925053404 is an apocalyptic number.

It is an amenable number.

31925053404 is an abundant number, since it is smaller than the sum of its proper divisors (48893650380).

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

31925053404 is a wasteful number, since it uses less digits than its factorization.

31925053404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310594 (or 1310589 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 31925053404 in words is "thirty-one billion, nine hundred twenty-five million, fifty-three thousand, four hundred four".