31023689192 has 16 divisors (see below), whose sum is σ = 59522195040. Its totient is φ = 15151103856.

The previous prime is 31023689183. The next prime is 31023689197. The reversal of 31023689192 is 29198632013.

It is a super-2 number, since 2×31023689192² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (31023689197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45092228 + ... + 45092915.

It is an arithmetic number, because the mean of its divisors is an integer number (3720137190).

Almost surely, 2^31023689192 is an apocalyptic number.

It is an amenable number.

31023689192 is a deficient number, since it is larger than the sum of its proper divisors (28498505848).

31023689192 is a wasteful number, since it uses less digits than its factorization.

31023689192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90185192 (or 90185188 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 31023689192 in words is "thirty-one billion, twenty-three million, six hundred eighty-nine thousand, one hundred ninety-two".