31841536072 has 16 divisors (see below), whose sum is σ = 61316472060. Its totient is φ = 15490476864.

The previous prime is 31841536063. The next prime is 31841536117. The reversal of 31841536072 is 27063514813.

It can be written as a sum of positive squares in 2 ways, for example, as 27757559236 + 4083976836 = 166606^2 + 63906^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 53786083 + ... + 53786674.

Almost surely, 2^31841536072 is an apocalyptic number.

It is an amenable number.

31841536072 is a deficient number, since it is larger than the sum of its proper divisors (29474935988).

31841536072 is a wasteful number, since it uses less digits than its factorization.

31841536072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107572800 (or 107572796 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 31841536072 in words is "thirty-one billion, eight hundred forty-one million, five hundred thirty-six thousand, seventy-two".