317105322997 has 2 divisors, whose sum is σ = 317105322998. Its totient is φ = 317105322996.

The previous prime is 317105322949. The next prime is 317105323009. The reversal of 317105322997 is 799223501713.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308231494596 + 8873828401 = 555186^2 + 94201^2 .

It is a cyclic number.

It is not a de Polignac number, because 317105322997 - 2¹¹ = 317105320949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317105322997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317105322917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158552661498 + 158552661499.

It is an arithmetic number, because the mean of its divisors is an integer number (158552661499).

Almost surely, 2^317105322997 is an apocalyptic number.

It is an amenable number.

317105322997 is a deficient number, since it is larger than the sum of its proper divisors (1).

317105322997 is an equidigital number, since it uses as much as digits as its factorization.

317105322997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 317105322997 in words is "three hundred seventeen billion, one hundred five million, three hundred twenty-two thousand, nine hundred ninety-seven".