31029270804 has 96 divisors (see below), whose sum is σ = 96777497600. Its totient is φ = 8398896480.

The previous prime is 31029270787. The next prime is 31029270827. The reversal of 31029270804 is 40807292013.

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 31 ways as a sum of consecutive naturals, for example, 1065742 + ... + 1094469.

Almost surely, 2^31029270804 is an apocalyptic number.

It is an amenable number.

31029270804 is an abundant number, since it is smaller than the sum of its proper divisors (65748226796).

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

31029270804 is a wasteful number, since it uses less digits than its factorization.

31029270804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160250 (or 2160242 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 31029270804 in words is "thirty-one billion, twenty-nine million, two hundred seventy thousand, eight hundred four".