113133444231 has 8 divisors (see below), whose sum is σ = 150945904240. Its totient is φ = 75371640192.

The previous prime is 113133444227. The next prime is 113133444253. The reversal of 113133444231 is 132444331311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113133444231 - 2² = 113133444227 is a prime.

It is a super-2 number, since 2×113133444231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113133434231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12658780 + ... + 12667713.

It is an arithmetic number, because the mean of its divisors is an integer number (18868238030).

Almost surely, 2^113133444231 is an apocalyptic number.

113133444231 is a deficient number, since it is larger than the sum of its proper divisors (37812460009).

113133444231 is a wasteful number, since it uses less digits than its factorization.

113133444231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25327985.

The product of its digits is 10368, while the sum is 30.

Adding to 113133444231 its reverse (132444331311), we get a palindrome (245577775542).

The spelling of 113133444231 in words is "one hundred thirteen billion, one hundred thirty-three million, four hundred forty-four thousand, two hundred thirty-one".