113321010631 has 4 divisors (see below), whose sum is σ = 113330802232. Its totient is φ = 113311219032.

The previous prime is 113321010599. The next prime is 113321010637. The reversal of 113321010631 is 136010123311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136010123311 = 1823 ⋅74607857.

It is a cyclic number.

It is not a de Polignac number, because 113321010631 - 2⁵ = 113321010599 is a prime.

It is a super-2 number, since 2×113321010631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113321010637) 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, 4878420 + ... + 4901593.

It is an arithmetic number, because the mean of its divisors is an integer number (28332700558).

Almost surely, 2^113321010631 is an apocalyptic number.

113321010631 is a deficient number, since it is larger than the sum of its proper divisors (9791601).

113321010631 is an equidigital number, since it uses as much as digits as its factorization.

113321010631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791600.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 113321010631 its reverse (136010123311), we get a palindrome (249331133942).

The spelling of 113321010631 in words is "one hundred thirteen billion, three hundred twenty-one million, ten thousand, six hundred thirty-one".