31113034113 has 16 divisors (see below), whose sum is σ = 47899107200. Its totient is φ = 17595588096.

The previous prime is 31113034093. The next prime is 31113034133. The reversal of 31113034113 is 31143031113.

It is an interprime number because it is at equal distance from previous prime (31113034093) and next prime (31113034133).

It is not a de Polignac number, because 31113034113 - 2⁸ = 31113033857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 31113034113.

It is not an unprimeable number, because it can be changed into a prime (31113034133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7634938 + ... + 7639011.

It is an arithmetic number, because the mean of its divisors is an integer number (2993694200).

Almost surely, 2^31113034113 is an apocalyptic number.

It is an amenable number.

31113034113 is a deficient number, since it is larger than the sum of its proper divisors (16786073087).

31113034113 is a wasteful number, since it uses less digits than its factorization.

31113034113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274056.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31113034113 its reverse (31143031113), we get a palindrome (62256065226).

The spelling of 31113034113 in words is "thirty-one billion, one hundred thirteen million, thirty-four thousand, one hundred thirteen".