113303111331 has 32 divisors (see below), whose sum is σ = 165099974400. Its totient is φ = 68842569600.

The previous prime is 113303111269. The next prime is 113303111377. The reversal of 113303111331 is 133111303311.

It is not a de Polignac number, because 113303111331 - 2²⁷ = 113168893603 is a prime.

It is a super-2 number, since 2×113303111331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113303111298 and 113303111307.

It is not an unprimeable number, because it can be changed into a prime (113303111531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334156 + ... + 581606.

It is an arithmetic number, because the mean of its divisors is an integer number (5159374200).

Almost surely, 2^113303111331 is an apocalyptic number.

113303111331 is a deficient number, since it is larger than the sum of its proper divisors (51796863069).

113303111331 is a wasteful number, since it uses less digits than its factorization.

113303111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247779.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 113303111331 its reverse (133111303311), we get a palindrome (246414414642).

The spelling of 113303111331 in words is "one hundred thirteen billion, three hundred three million, one hundred eleven thousand, three hundred thirty-one".