631540540504 has 16 divisors (see below), whose sum is σ = 1246461593400. Its totient is φ = 299150782272.

The previous prime is 631540540483. The next prime is 631540540507. The reversal of 631540540504 is 405045045136.

631540540504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631540540507) 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, 2077435837 + ... + 2077436140.

Almost surely, 2^631540540504 is an apocalyptic number.

It is an amenable number.

631540540504 is a deficient number, since it is larger than the sum of its proper divisors (614921052896).

631540540504 is a wasteful number, since it uses less digits than its factorization.

631540540504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154872002 (or 4154871998 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 631540540504 in words is "six hundred thirty-one billion, five hundred forty million, five hundred forty thousand, five hundred four".