2331232113 has 16 divisors (see below), whose sum is σ = 3739320320. Its totient is φ = 1262020176.

The previous prime is 2331232109. The next prime is 2331232129. The reversal of 2331232113 is 3112321332.

It is not a de Polignac number, because 2331232113 - 2² = 2331232109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2331232113.

It is not an unprimeable number, because it can be changed into a prime (2331232133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2920945 + ... + 2921742.

It is an arithmetic number, because the mean of its divisors is an integer number (233707520).

Almost surely, 2^2331232113 is an apocalyptic number.

It is an amenable number.

2331232113 is a deficient number, since it is larger than the sum of its proper divisors (1408088207).

2331232113 is a wasteful number, since it uses less digits than its factorization.

2331232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842716.

The product of its digits is 648, while the sum is 21.

The square root of 2331232113 is about 48282.8345584639. The cubic root of 2331232113 is about 1325.9541461136.

Adding to 2331232113 its reverse (3112321332), we get a palindrome (5443553445).

The spelling of 2331232113 in words is "two billion, three hundred thirty-one million, two hundred thirty-two thousand, one hundred thirteen".