113321013131 has 4 divisors (see below), whose sum is σ = 119285277000. Its totient is φ = 107356749264.

The previous prime is 113321013121. The next prime is 113321013137. The reversal of 113321013131 is 131310123311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131310123311 = 227 ⋅578458693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113321013131 is a prime.

It is a super-2 number, since 2×113321013131² (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 (113321013137) 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, 2982131906 + ... + 2982131943.

It is an arithmetic number, because the mean of its divisors is an integer number (29821319250).

Almost surely, 2^113321013131 is an apocalyptic number.

113321013131 is a deficient number, since it is larger than the sum of its proper divisors (5964263869).

113321013131 is an equidigital number, since it uses as much as digits as its factorization.

113321013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5964263868.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 113321013131 its reverse (131310123311), we get a palindrome (244631136442).

The spelling of 113321013131 in words is "one hundred thirteen billion, three hundred twenty-one million, thirteen thousand, one hundred thirty-one".