31452938368 has 16 divisors (see below), whose sum is σ = 62660150910. Its totient is φ = 15726469120.

The previous prime is 31452938329. The next prime is 31452938389. The reversal of 31452938368 is 86383925413.

It can be written as a sum of positive squares in only one way, i.e., 25469606464 + 5983331904 = 159592^2 + 77352^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122862913 + ... + 122863168.

Almost surely, 2^31452938368 is an apocalyptic number.

It is an amenable number.

31452938368 is a deficient number, since it is larger than the sum of its proper divisors (31207212542).

31452938368 is an equidigital number, since it uses as much as digits as its factorization.

31452938368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245726095 (or 245726083 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The spelling of 31452938368 in words is "thirty-one billion, four hundred fifty-two million, nine hundred thirty-eight thousand, three hundred sixty-eight".