318089767361 has 2 divisors, whose sum is σ = 318089767362. Its totient is φ = 318089767360.

The previous prime is 318089767339. The next prime is 318089767483. The reversal of 318089767361 is 163767980813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241418926336 + 76670841025 = 491344^2 + 276895^2 .

It is an emirp because it is prime and its reverse (163767980813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318089767361 - 2³⁰ = 317016025537 is a prime.

It is a super-2 number, since 2×318089767361² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 318089767361.

It is not a weakly prime, because it can be changed into another prime (318089767301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159044883680 + 159044883681.

It is an arithmetic number, because the mean of its divisors is an integer number (159044883681).

Almost surely, 2^318089767361 is an apocalyptic number.

It is an amenable number.

318089767361 is a deficient number, since it is larger than the sum of its proper divisors (1).

318089767361 is an equidigital number, since it uses as much as digits as its factorization.

318089767361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 318089767361 in words is "three hundred eighteen billion, eighty-nine million, seven hundred sixty-seven thousand, three hundred sixty-one".