2312131232 has 24 divisors (see below), whose sum is σ = 4553984736. Its totient is φ = 1155563712.

The previous prime is 2312131231. The next prime is 2312131273. The reversal of 2312131232 is 2321312132.

It is not an unprimeable number, because it can be changed into a prime (2312131231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65663 + ... + 94529.

It is an arithmetic number, because the mean of its divisors is an integer number (189749364).

Almost surely, 2^2312131232 is an apocalyptic number.

It is an amenable number.

2312131232 is a deficient number, since it is larger than the sum of its proper divisors (2241853504).

2312131232 is a wasteful number, since it uses less digits than its factorization.

2312131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31380 (or 31372 counting only the distinct ones).

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

The square root of 2312131232 is about 48084.6257342199. The cubic root of 2312131232 is about 1322.3228216417.

Adding to 2312131232 its reverse (2321312132), we get a palindrome (4633443364).

Subtracting 2312131232 from its reverse (2321312132), we obtain a square (9180900 = 3030²).

The spelling of 2312131232 in words is "two billion, three hundred twelve million, one hundred thirty-one thousand, two hundred thirty-two".