2304331321 has 4 divisors (see below), whose sum is σ = 2328087412. Its totient is φ = 2280575232.

The previous prime is 2304331273. The next prime is 2304331327. The reversal of 2304331321 is 1231334032.

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 1293409296 + 1010922025 = 35964^2 + 31795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2304331321 - 2¹⁵ = 2304298553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2304331292 and 2304331301.

It is not an unprimeable number, because it can be changed into a prime (2304331327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11877900 + ... + 11878093.

It is an arithmetic number, because the mean of its divisors is an integer number (582021853).

Almost surely, 2^2304331321 is an apocalyptic number.

It is an amenable number.

2304331321 is a deficient number, since it is larger than the sum of its proper divisors (23756091).

2304331321 is an equidigital number, since it uses as much as digits as its factorization.

2304331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23756090.

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

The square root of 2304331321 is about 48003.4511363506. The cubic root of 2304331321 is about 1320.8342065834.

Adding to 2304331321 its reverse (1231334032), we get a palindrome (3535665353).

The spelling of 2304331321 in words is "two billion, three hundred four million, three hundred thirty-one thousand, three hundred twenty-one".