113241222131 has 4 divisors (see below), whose sum is σ = 118164753552. Its totient is φ = 108317690712.

The previous prime is 113241222109. The next prime is 113241222139. The reversal of 113241222131 is 131222142311.

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

It is a cyclic number.

It is not a de Polignac number, because 113241222131 - 2⁶ = 113241222067 is a prime.

It is a super-2 number, since 2×113241222131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4923531397 = 113241222131 / (1 + 1 + 3 + 2 + 4 + 1 + 2 + 2 + 2 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113241222097 and 113241222106.

It is not an unprimeable number, because it can be changed into a prime (113241222139) 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, 2461765676 + ... + 2461765721.

It is an arithmetic number, because the mean of its divisors is an integer number (29541188388).

Almost surely, 2^113241222131 is an apocalyptic number.

113241222131 is a deficient number, since it is larger than the sum of its proper divisors (4923531421).

113241222131 is an equidigital number, since it uses as much as digits as its factorization.

113241222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923531420.

The product of its digits is 576, while the sum is 23.

Adding to 113241222131 its reverse (131222142311), we get a palindrome (244463364442).

The spelling of 113241222131 in words is "one hundred thirteen billion, two hundred forty-one million, two hundred twenty-two thousand, one hundred thirty-one".