113131002331 has 4 divisors (see below), whose sum is σ = 119785767192. Its totient is φ = 106476237472.

The previous prime is 113131002323. The next prime is 113131002337. The reversal of 113131002331 is 133200131311.

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

It is a cyclic number.

It is not a de Polignac number, because 113131002331 - 2³ = 113131002323 is a prime.

It is a super-2 number, since 2×113131002331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113131002299 and 113131002308.

It is not an unprimeable number, because it can be changed into a prime (113131002337) 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 in 3 ways as a sum of consecutive naturals, for example, 3327382405 + ... + 3327382438.

It is an arithmetic number, because the mean of its divisors is an integer number (29946441798).

Almost surely, 2^113131002331 is an apocalyptic number.

113131002331 is a deficient number, since it is larger than the sum of its proper divisors (6654764861).

113131002331 is an equidigital number, since it uses as much as digits as its factorization.

113131002331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6654764860.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113131002331 its reverse (133200131311), we get a palindrome (246331133642).

The spelling of 113131002331 in words is "one hundred thirteen billion, one hundred thirty-one million, two thousand, three hundred thirty-one".