2321513239 has 2 divisors, whose sum is σ = 2321513240. Its totient is φ = 2321513238.

The previous prime is 2321513231. The next prime is 2321513263. The reversal of 2321513239 is 9323151232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321513239 - 2³ = 2321513231 is a prime.

It is a super-2 number, since 2×2321513239² = 10778847437704542242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2321513239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321513231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160756619 + 1160756620.

It is an arithmetic number, because the mean of its divisors is an integer number (1160756620).

Almost surely, 2^2321513239 is an apocalyptic number.

2321513239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321513239 is an equidigital number, since it uses as much as digits as its factorization.

2321513239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 2321513239 is about 48182.0842118728. The cubic root of 2321513239 is about 1324.1089514535.

The spelling of 2321513239 in words is "two billion, three hundred twenty-one million, five hundred thirteen thousand, two hundred thirty-nine".