2312232131 has 4 divisors (see below), whose sum is σ = 2522435064. Its totient is φ = 2102029200.

The previous prime is 2312232107. The next prime is 2312232179. The reversal of 2312232131 is 1312322132.

2312232131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312232131 is a prime.

It is a super-2 number, since 2×2312232131² = 10692834855257602322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312232191) 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, 105101450 + ... + 105101471.

It is an arithmetic number, because the mean of its divisors is an integer number (630608766).

Almost surely, 2^2312232131 is an apocalyptic number.

2312232131 is a deficient number, since it is larger than the sum of its proper divisors (210202933).

2312232131 is a wasteful number, since it uses less digits than its factorization.

2312232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210202932.

The product of its digits is 432, while the sum is 20.

The square root of 2312232131 is about 48085.6749042789. The cubic root of 2312232131 is about 1322.3420562924.

Adding to 2312232131 its reverse (1312322132), we get a palindrome (3624554263).

Subtracting from 2312232131 its reverse (1312322132), we obtain a palindrome (999909999).

The spelling of 2312232131 in words is "two billion, three hundred twelve million, two hundred thirty-two thousand, one hundred thirty-one".