113113302231 has 16 divisors (see below), whose sum is σ = 155776317440. Its totient is φ = 72932499360.

The previous prime is 113113302229. The next prime is 113113302251. The reversal of 113113302231 is 132203311311.

It is a happy number.

It is not a de Polignac number, because 113113302231 - 2¹ = 113113302229 is a prime.

It is a super-2 number, since 2×113113302231² (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 = 113113302198 and 113113302207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113113302251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209155 + ... + 519588.

It is an arithmetic number, because the mean of its divisors is an integer number (9736019840).

Almost surely, 2^113113302231 is an apocalyptic number.

113113302231 is a deficient number, since it is larger than the sum of its proper divisors (42663015209).

113113302231 is a wasteful number, since it uses less digits than its factorization.

113113302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730446.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113113302231 its reverse (132203311311), we get a palindrome (245316613542).

The spelling of 113113302231 in words is "one hundred thirteen billion, one hundred thirteen million, three hundred two thousand, two hundred thirty-one".