113131303 has 4 divisors (see below), whose sum is σ = 115538400. Its totient is φ = 110724208.

The previous prime is 113131297. The next prime is 113131321. The reversal of 113131303 is 303131311.

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-113131303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131363) 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, 1203478 + ... + 1203571.

It is an arithmetic number, because the mean of its divisors is an integer number (28884600).

Almost surely, 2^113131303 is an apocalyptic number.

113131303 is a deficient number, since it is larger than the sum of its proper divisors (2407097).

113131303 is an equidigital number, since it uses as much as digits as its factorization.

113131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407096.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 113131303 is about 10636.3199933060. The cubic root of 113131303 is about 483.6459956644.

Adding to 113131303 its reverse (303131311), we get a palindrome (416262614).

The spelling of 113131303 in words is "one hundred thirteen million, one hundred thirty-one thousand, three hundred three".