113031011131 has 2 divisors, whose sum is σ = 113031011132. Its totient is φ = 113031011130.

The previous prime is 113031011123. The next prime is 113031011161. The reversal of 113031011131 is 131110130311.

It is a weak prime.

It is an emirp because it is prime and its reverse (131110130311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113031011131 - 2³ = 113031011123 is a prime.

It is a super-2 number, since 2×113031011131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113031011161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56515505565 + 56515505566.

It is an arithmetic number, because the mean of its divisors is an integer number (56515505566).

Almost surely, 2^113031011131 is an apocalyptic number.

113031011131 is a deficient number, since it is larger than the sum of its proper divisors (1).

113031011131 is an equidigital number, since it uses as much as digits as its factorization.

113031011131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 113031011131 its reverse (131110130311), we get a palindrome (244141141442).

The spelling of 113031011131 in words is "one hundred thirteen billion, thirty-one million, eleven thousand, one hundred thirty-one".