31679671958 has 8 divisors (see below), whose sum is σ = 51839463240. Its totient is φ = 14399850880.

The previous prime is 31679671939. The next prime is 31679671963. The reversal of 31679671958 is 85917697613.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31679671958.

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, 719992523 + ... + 719992566.

It is an arithmetic number, because the mean of its divisors is an integer number (6479932905).

Almost surely, 2^31679671958 is an apocalyptic number.

31679671958 is a deficient number, since it is larger than the sum of its proper divisors (20159791282).

31679671958 is a wasteful number, since it uses less digits than its factorization.

31679671958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439985102.

The product of its digits is 17146080, while the sum is 62.

The spelling of 31679671958 in words is "thirty-one billion, six hundred seventy-nine million, six hundred seventy-one thousand, nine hundred fifty-eight".