113130232321 has 4 divisors (see below), whose sum is σ = 113130968112. Its totient is φ = 113129496532.

The previous prime is 113130232289. The next prime is 113130232331. The reversal of 113130232321 is 123232031311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113130232321 - 2⁵ = 113130232289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113130232292 and 113130232301.

It is not an unprimeable number, because it can be changed into a prime (113130232331) 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, 39631 + ... + 477316.

It is an arithmetic number, because the mean of its divisors is an integer number (28282742028).

Almost surely, 2^113130232321 is an apocalyptic number.

It is an amenable number.

113130232321 is a deficient number, since it is larger than the sum of its proper divisors (735791).

113130232321 is an equidigital number, since it uses as much as digits as its factorization.

113130232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735790.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 113130232321 its reverse (123232031311), we get a palindrome (236362263632).

The spelling of 113130232321 in words is "one hundred thirteen billion, one hundred thirty million, two hundred thirty-two thousand, three hundred twenty-one".