31485285304 has 32 divisors (see below), whose sum is σ = 67201799040. Its totient is φ = 13689253600.

The previous prime is 31485285269. The next prime is 31485285323. The reversal of 31485285304 is 40358258413.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 7775962 + ... + 7780009.

It is an arithmetic number, because the mean of its divisors is an integer number (2100056220).

Almost surely, 2^31485285304 is an apocalyptic number.

It is an amenable number.

31485285304 is an abundant number, since it is smaller than the sum of its proper divisors (35716513736).

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

31485285304 is a wasteful number, since it uses less digits than its factorization.

31485285304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15556011 (or 15556007 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 31485285304 in words is "thirty-one billion, four hundred eighty-five million, two hundred eighty-five thousand, three hundred four".