113321316231 has 12 divisors (see below), whose sum is σ = 163771138440. Its totient is φ = 75508409040.

The previous prime is 113321316191. The next prime is 113321316233. The reversal of 113321316231 is 132613123311.

113321316231 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 2 + 1 + 31 + 623 + 1 = 666.

It is not a de Polignac number, because 113321316231 - 2²⁷ = 113187098503 is a prime.

It is a super-2 number, since 2×113321316231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113321316195 and 113321316204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113321316233) 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 11 ways as a sum of consecutive naturals, for example, 3242916 + ... + 3277673.

It is an arithmetic number, because the mean of its divisors is an integer number (13647594870).

Almost surely, 2^113321316231 is an apocalyptic number.

113321316231 is a deficient number, since it is larger than the sum of its proper divisors (50449822209).

113321316231 is a wasteful number, since it uses less digits than its factorization.

113321316231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522526 (or 6522523 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 113321316231 its reverse (132613123311), we get a palindrome (245934439542).

The spelling of 113321316231 in words is "one hundred thirteen billion, three hundred twenty-one million, three hundred sixteen thousand, two hundred thirty-one".