31604621604604 has 6 divisors (see below), whose sum is σ = 55308087808064. Its totient is φ = 15802310802300.

The previous prime is 31604621604559. The next prime is 31604621604629. The reversal of 31604621604604 is 40640612640613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3950577700572 + ... + 3950577700579.

Almost surely, 2^{31604621604604} is an apocalyptic number.

It is an amenable number.

31604621604604 is a deficient number, since it is larger than the sum of its proper divisors (23703466203460).

31604621604604 is a wasteful number, since it uses less digits than its factorization.

31604621604604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901155401155 (or 7901155401153 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 31604621604604 in words is "thirty-one trillion, six hundred four billion, six hundred twenty-one million, six hundred four thousand, six hundred four".