113021232031 has 2 divisors, whose sum is σ = 113021232032. Its totient is φ = 113021232030.

The previous prime is 113021232017. The next prime is 113021232061. The reversal of 113021232031 is 130232120311.

It is a weak prime.

It is an emirp because it is prime and its reverse (130232120311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113021232031 is a prime.

It is a super-2 number, since 2×113021232031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113021232061) 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, 56510616015 + 56510616016.

It is an arithmetic number, because the mean of its divisors is an integer number (56510616016).

Almost surely, 2^113021232031 is an apocalyptic number.

113021232031 is a deficient number, since it is larger than the sum of its proper divisors (1).

113021232031 is an equidigital number, since it uses as much as digits as its factorization.

113021232031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113021232031 its reverse (130232120311), we get a palindrome (243253352342).

The spelling of 113021232031 in words is "one hundred thirteen billion, twenty-one million, two hundred thirty-two thousand, thirty-one".