31474746008 has 8 divisors (see below), whose sum is σ = 59015148780. Its totient is φ = 15737373000.

The previous prime is 31474745983. The next prime is 31474746029. The reversal of 31474746008 is 80064747413.

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

It is a super-2 number, since 2×31474746008² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31474746008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967171618 + ... + 1967171633.

Almost surely, 2^31474746008 is an apocalyptic number.

It is an amenable number.

31474746008 is a deficient number, since it is larger than the sum of its proper divisors (27540402772).

31474746008 is a wasteful number, since it uses less digits than its factorization.

31474746008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934343257 (or 3934343253 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 31474746008 in words is "thirty-one billion, four hundred seventy-four million, seven hundred forty-six thousand, eight".