31472518808 has 8 divisors (see below), whose sum is σ = 59010972780. Its totient is φ = 15736259400.

The previous prime is 31472518787. The next prime is 31472518811. The reversal of 31472518808 is 80881527413.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967032418 + ... + 1967032433.

Almost surely, 2^31472518808 is an apocalyptic number.

It is an amenable number.

31472518808 is a deficient number, since it is larger than the sum of its proper divisors (27538453972).

31472518808 is a wasteful number, since it uses less digits than its factorization.

31472518808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934064857 (or 3934064853 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 31472518808 in words is "thirty-one billion, four hundred seventy-two million, five hundred eighteen thousand, eight hundred eight".