2331320317 has 2 divisors, whose sum is σ = 2331320318. Its totient is φ = 2331320316.

The previous prime is 2331320297. The next prime is 2331320333. The reversal of 2331320317 is 7130231332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2298818916 + 32501401 = 47946^2 + 5701^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331320317 - 2¹⁵ = 2331287549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331320291 and 2331320300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331330317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165660158 + 1165660159.

It is an arithmetic number, because the mean of its divisors is an integer number (1165660159).

Almost surely, 2^2331320317 is an apocalyptic number.

It is an amenable number.

2331320317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331320317 is an equidigital number, since it uses as much as digits as its factorization.

2331320317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 2331320317 is about 48283.7479593289. The cubic root of 2331320317 is about 1325.9708687419.

Adding to 2331320317 its reverse (7130231332), we get a palindrome (9461551649).

The spelling of 2331320317 in words is "two billion, three hundred thirty-one million, three hundred twenty thousand, three hundred seventeen".