2312332321 has 4 divisors (see below), whose sum is σ = 2490204052. Its totient is φ = 2134460592.

The previous prime is 2312332277. The next prime is 2312332327. The reversal of 2312332321 is 1232332132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1081094400 + 1231237921 = 32880^2 + 35089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312332321 - 2⁷ = 2312332193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312332292 and 2312332301.

It is not an unprimeable number, because it can be changed into a prime (2312332327) by changing a digit.

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, 88935846 + ... + 88935871.

It is an arithmetic number, because the mean of its divisors is an integer number (622551013).

Almost surely, 2^2312332321 is an apocalyptic number.

It is an amenable number.

2312332321 is a deficient number, since it is larger than the sum of its proper divisors (177871731).

2312332321 is a wasteful number, since it uses less digits than its factorization.

2312332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177871730.

The product of its digits is 1296, while the sum is 22.

The square root of 2312332321 is about 48086.7166793492. The cubic root of 2312332321 is about 1322.3611552308.

Adding to 2312332321 its reverse (1232332132), we get a palindrome (3544664453).

The spelling of 2312332321 in words is "two billion, three hundred twelve million, three hundred thirty-two thousand, three hundred twenty-one".