31679061898 has 8 divisors (see below), whose sum is σ = 51838464960. Its totient is φ = 14399573580.

The previous prime is 31679061889. The next prime is 31679061917. The reversal of 31679061898 is 89816097613.

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

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, 719978658 + ... + 719978701.

It is an arithmetic number, because the mean of its divisors is an integer number (6479808120).

Almost surely, 2^31679061898 is an apocalyptic number.

31679061898 is a deficient number, since it is larger than the sum of its proper divisors (20159403062).

31679061898 is a wasteful number, since it uses less digits than its factorization.

31679061898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439957372.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 31679061898 in words is "thirty-one billion, six hundred seventy-nine million, sixty-one thousand, eight hundred ninety-eight".