31139119959 has 8 divisors (see below), whose sum is σ = 41921922432. Its totient is φ = 20557865400.

The previous prime is 31139119939. The next prime is 31139119961. The reversal of 31139119959 is 95991193113.

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

It is not a de Polignac number, because 31139119959 - 2⁵ = 31139119927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31139119919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50386617 + ... + 50387234.

It is an arithmetic number, because the mean of its divisors is an integer number (5240240304).

Almost surely, 2^31139119959 is an apocalyptic number.

31139119959 is a deficient number, since it is larger than the sum of its proper divisors (10782802473).

31139119959 is a wasteful number, since it uses less digits than its factorization.

31139119959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100773957.

The product of its digits is 295245, while the sum is 51.

The spelling of 31139119959 in words is "thirty-one billion, one hundred thirty-nine million, one hundred nineteen thousand, nine hundred fifty-nine".