2321312132 has 12 divisors (see below), whose sum is σ = 4083345756. Its totient is φ = 1154641920.

The previous prime is 2321312101. The next prime is 2321312167. The reversal of 2321312132 is 2312131232.

It can be written as a sum of positive squares in 2 ways, for example, as 1331958016 + 989354116 = 36496^2 + 31454^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502669 + ... + 1504212.

It is an arithmetic number, because the mean of its divisors is an integer number (340278813).

Almost surely, 2^2321312132 is an apocalyptic number.

It is an amenable number.

2321312132 is a deficient number, since it is larger than the sum of its proper divisors (1762033624).

2321312132 is a wasteful number, since it uses less digits than its factorization.

2321312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007078 (or 3007076 counting only the distinct ones).

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

The square root of 2321312132 is about 48179.9972187629. The cubic root of 2321312132 is about 1324.0707155787.

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

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

The spelling of 2321312132 in words is "two billion, three hundred twenty-one million, three hundred twelve thousand, one hundred thirty-two".