31665040044424 has 64 divisors (see below), whose sum is σ = 61433751456000. Its totient is φ = 15290756743680.

The previous prime is 31665040044413. The next prime is 31665040044433. The reversal of 31665040044424 is 42444004056613.

It is a super-2 number, since 2×31665040044424² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39032967 + ... + 39835945.

It is an arithmetic number, because the mean of its divisors is an integer number (959902366500).

Almost surely, 2^{31665040044424} is an apocalyptic number.

It is an amenable number.

31665040044424 is a deficient number, since it is larger than the sum of its proper divisors (29768711411576).

31665040044424 is a wasteful number, since it uses less digits than its factorization.

31665040044424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804238 (or 804234 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 31665040044424 in words is "thirty-one trillion, six hundred sixty-five billion, forty million, forty-four thousand, four hundred twenty-four".