2313323121 has 4 divisors (see below), whose sum is σ = 3084430832. Its totient is φ = 1542215412.

The previous prime is 2313323107. The next prime is 2313323143. The reversal of 2313323121 is 1213233132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2313323121 - 2⁶ = 2313323057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313323101) 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, 385553851 + ... + 385553856.

It is an arithmetic number, because the mean of its divisors is an integer number (771107708).

Almost surely, 2^2313323121 is an apocalyptic number.

It is an amenable number.

2313323121 is a deficient number, since it is larger than the sum of its proper divisors (771107711).

2313323121 is an equidigital number, since it uses as much as digits as its factorization.

2313323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771107710.

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

The square root of 2313323121 is about 48097.0177973645. The cubic root of 2313323121 is about 1322.5499989554.

Adding to 2313323121 its reverse (1213233132), we get a palindrome (3526556253).

The spelling of 2313323121 in words is "two billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred twenty-one".