31402315604 has 48 divisors (see below), whose sum is σ = 60407424000. Its totient is φ = 14165020800.

The previous prime is 31402315591. The next prime is 31402315639. The reversal of 31402315604 is 40651320413.

It is a super-2 number, since 2×31402315604² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13838582 + ... + 13840850.

It is an arithmetic number, because the mean of its divisors is an integer number (1258488000).

Almost surely, 2^31402315604 is an apocalyptic number.

It is an amenable number.

31402315604 is a deficient number, since it is larger than the sum of its proper divisors (29005108396).

31402315604 is a wasteful number, since it uses less digits than its factorization.

31402315604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544 (or 4542 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 31402315604 in words is "thirty-one billion, four hundred two million, three hundred fifteen thousand, six hundred four".