31093132918 has 8 divisors (see below), whose sum is σ = 46707197400. Its totient is φ = 15524067120.

The previous prime is 31093132907. The next prime is 31093132943. The reversal of 31093132918 is 81923139013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11247943 + ... + 11250706.

It is an arithmetic number, because the mean of its divisors is an integer number (5838399675).

Almost surely, 2^31093132918 is an apocalyptic number.

31093132918 is a deficient number, since it is larger than the sum of its proper divisors (15614064482).

31093132918 is a wasteful number, since it uses less digits than its factorization.

31093132918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22499342.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 31093132918 in words is "thirty-one billion, ninety-three million, one hundred thirty-two thousand, nine hundred eighteen".