1308317764513 has 2 divisors, whose sum is σ = 1308317764514. Its totient is φ = 1308317764512.

The previous prime is 1308317764477. The next prime is 1308317764531. The reversal of 1308317764513 is 3154677138031.

Together with next prime (1308317764531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962894737984 + 345423026529 = 981272^2 + 587727^2 .

It is an emirp because it is prime and its reverse (3154677138031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1308317764513 - 2²¹ = 1308315667361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1308317764613) 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, 654158882256 + 654158882257.

It is an arithmetic number, because the mean of its divisors is an integer number (654158882257).

Almost surely, 2^{1308317764513} is an apocalyptic number.

It is an amenable number.

1308317764513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308317764513 is an equidigital number, since it uses as much as digits as its factorization.

1308317764513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 1308317764513 in words is "one trillion, three hundred eight billion, three hundred seventeen million, seven hundred sixty-four thousand, five hundred thirteen".