31403604504 has 16 divisors (see below), whose sum is σ = 78509011320. Its totient is φ = 10467868160.

The previous prime is 31403604503. The next prime is 31403604509. The reversal of 31403604504 is 40540630413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31403604503) 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, 654241737 + ... + 654241784.

Almost surely, 2^31403604504 is an apocalyptic number.

It is an amenable number.

31403604504 is an abundant number, since it is smaller than the sum of its proper divisors (47105406816).

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

31403604504 is a wasteful number, since it uses less digits than its factorization.

31403604504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308483530 (or 1308483526 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 31403604504 in words is "thirty-one billion, four hundred three million, six hundred four thousand, five hundred four".