30731304504 has 16 divisors (see below), whose sum is σ = 76828261320. Its totient is φ = 10243768160.

The previous prime is 30731304503. The next prime is 30731304509. The reversal of 30731304504 is 40540313703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30731304503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640235487 + ... + 640235534.

Almost surely, 2^30731304504 is an apocalyptic number.

It is an amenable number.

30731304504 is an abundant number, since it is smaller than the sum of its proper divisors (46096956816).

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

30731304504 is a wasteful number, since it uses less digits than its factorization.

30731304504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280471030 (or 1280471026 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The spelling of 30731304504 in words is "thirty billion, seven hundred thirty-one million, three hundred four thousand, five hundred four".