317180655377 has 2 divisors, whose sum is σ = 317180655378. Its totient is φ = 317180655376.

The previous prime is 317180655317. The next prime is 317180655413. The reversal of 317180655377 is 773556081713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194691855121 + 122488800256 = 441239^2 + 349984^2 .

It is a cyclic number.

It is not a de Polignac number, because 317180655377 - 2¹⁴ = 317180638993 is a prime.

It is not a weakly prime, because it can be changed into another prime (317180655317) 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, 158590327688 + 158590327689.

It is an arithmetic number, because the mean of its divisors is an integer number (158590327689).

Almost surely, 2^317180655377 is an apocalyptic number.

It is an amenable number.

317180655377 is a deficient number, since it is larger than the sum of its proper divisors (1).

317180655377 is an equidigital number, since it uses as much as digits as its factorization.

317180655377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 317180655377 in words is "three hundred seventeen billion, one hundred eighty million, six hundred fifty-five thousand, three hundred seventy-seven".