113131123233 has 4 divisors (see below), whose sum is σ = 150841497648. Its totient is φ = 75420748820.

The previous prime is 113131123229. The next prime is 113131123241. The reversal of 113131123233 is 332321131311.

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.

It is a cyclic number.

It is not a de Polignac number, because 113131123233 - 2² = 113131123229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113131123213) 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, 18855187203 + ... + 18855187208.

It is an arithmetic number, because the mean of its divisors is an integer number (37710374412).

Almost surely, 2^113131123233 is an apocalyptic number.

It is an amenable number.

113131123233 is a deficient number, since it is larger than the sum of its proper divisors (37710374415).

113131123233 is an equidigital number, since it uses as much as digits as its factorization.

113131123233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37710374414.

The product of its digits is 972, while the sum is 24.

Adding to 113131123233 its reverse (332321131311), we get a palindrome (445452254544).

The spelling of 113131123233 in words is "one hundred thirteen billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty-three".