318880068317 has 2 divisors, whose sum is σ = 318880068318. Its totient is φ = 318880068316.

The previous prime is 318880068307. The next prime is 318880068323. The reversal of 318880068317 is 713860088813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228504076441 + 90375991876 = 478021^2 + 300626^2 .

It is a cyclic number.

It is not a de Polignac number, because 318880068317 - 2¹⁰ = 318880067293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318880068307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159440034158 + 159440034159.

It is an arithmetic number, because the mean of its divisors is an integer number (159440034159).

Almost surely, 2^318880068317 is an apocalyptic number.

It is an amenable number.

318880068317 is a deficient number, since it is larger than the sum of its proper divisors (1).

318880068317 is an equidigital number, since it uses as much as digits as its factorization.

318880068317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 318880068317 in words is "three hundred eighteen billion, eight hundred eighty million, sixty-eight thousand, three hundred seventeen".