113011303331 has 4 divisors (see below), whose sum is σ = 113024719200. Its totient is φ = 112997887464.

The previous prime is 113011303309. The next prime is 113011303369. The reversal of 113011303331 is 133303110311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113011303331 is a prime.

It is a super-2 number, since 2×113011303331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113011303381) 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, 6695291 + ... + 6712148.

It is an arithmetic number, because the mean of its divisors is an integer number (28256179800).

Almost surely, 2^113011303331 is an apocalyptic number.

113011303331 is a deficient number, since it is larger than the sum of its proper divisors (13415869).

113011303331 is an equidigital number, since it uses as much as digits as its factorization.

113011303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415868.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 113011303331 its reverse (133303110311), we get a palindrome (246314413642).

The spelling of 113011303331 in words is "one hundred thirteen billion, eleven million, three hundred three thousand, three hundred thirty-one".