2312444321 has 32 divisors (see below), whose sum is σ = 2663055360. Its totient is φ = 1989187200.

The previous prime is 2312444297. The next prime is 2312444327. The reversal of 2312444321 is 1234442132.

It is not a de Polignac number, because 2312444321 - 2¹⁴ = 2312427937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2312444327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2691590 + ... + 2692448.

It is an arithmetic number, because the mean of its divisors is an integer number (83220480).

Almost surely, 2^2312444321 is an apocalyptic number.

It is an amenable number.

2312444321 is a deficient number, since it is larger than the sum of its proper divisors (350611039).

2312444321 is a wasteful number, since it uses less digits than its factorization.

2312444321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its digits is 4608, while the sum is 26.

The square root of 2312444321 is about 48087.8812280184. The cubic root of 2312444321 is about 1322.3825048233.

Adding to 2312444321 its reverse (1234442132), we get a palindrome (3546886453).

The spelling of 2312444321 in words is "two billion, three hundred twelve million, four hundred forty-four thousand, three hundred twenty-one".