31165056113 has 8 divisors (see below), whose sum is σ = 31282417920. Its totient is φ = 31047740640.

The previous prime is 31165056077. The next prime is 31165056157.

31165056113 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 31165056113 - 2¹⁴ = 31165039729 is a prime.

It is a Duffinian number.

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 31165056113.

It is not an unprimeable number, because it can be changed into a prime (31165056313) 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, 1949768 + ... + 1965686.

It is an arithmetic number, because the mean of its divisors is an integer number (3910302240).

Almost surely, 2^31165056113 is an apocalyptic number.

It is an amenable number.

31165056113 is a deficient number, since it is larger than the sum of its proper divisors (117361807).

31165056113 is a wasteful number, since it uses less digits than its factorization.

31165056113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23167.

The product of its (nonzero) digits is 8100, while the sum is 32.

It can be divided in two parts, 311650 and 56113, that added together give a palindrome (367763).

The spelling of 31165056113 in words is "thirty-one billion, one hundred sixty-five million, fifty-six thousand, one hundred thirteen".