31053990966 has 32 divisors (see below), whose sum is σ = 62549998848. Its totient is φ = 10277785440.

The previous prime is 31053990953. The next prime is 31053990977. The reversal of 31053990966 is 66909935013.

It is a super-2 number, since 2×31053990966² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022695 + ... + 1052621.

It is an arithmetic number, because the mean of its divisors is an integer number (1954687464).

Almost surely, 2^31053990966 is an apocalyptic number.

31053990966 is an abundant number, since it is smaller than the sum of its proper divisors (31496007882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31053990966 is a wasteful number, since it uses less digits than its factorization.

31053990966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31156.

The product of its (nonzero) digits is 1180980, while the sum is 51.

The spelling of 31053990966 in words is "thirty-one billion, fifty-three million, nine hundred ninety thousand, nine hundred sixty-six".