31683134113 has 4 divisors (see below), whose sum is σ = 31772888388. Its totient is φ = 31593379840.

The previous prime is 31683134089. The next prime is 31683134173. The reversal of 31683134113 is 31143138613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5013631249 + 26669502864 = 70807^2 + 163308^2 .

It is a cyclic number.

It is not a de Polignac number, because 31683134113 - 2²⁵ = 31649579681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31683134173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44876608 + ... + 44877313.

It is an arithmetic number, because the mean of its divisors is an integer number (7943222097).

Almost surely, 2^31683134113 is an apocalyptic number.

It is an amenable number.

31683134113 is a deficient number, since it is larger than the sum of its proper divisors (89754275).

31683134113 is an equidigital number, since it uses as much as digits as its factorization.

31683134113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89754274.

The product of its digits is 15552, while the sum is 34.

The spelling of 31683134113 in words is "thirty-one billion, six hundred eighty-three million, one hundred thirty-four thousand, one hundred thirteen".