317204897501 has 2 divisors, whose sum is σ = 317204897502. Its totient is φ = 317204897500.

The previous prime is 317204897491. The next prime is 317204897539. The reversal of 317204897501 is 105798402713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311697773401 + 5507124100 = 558299^2 + 74210^2 .

It is a cyclic number.

It is not a de Polignac number, because 317204897501 - 2¹⁸ = 317204635357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317204897201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158602448750 + 158602448751.

It is an arithmetic number, because the mean of its divisors is an integer number (158602448751).

Almost surely, 2^317204897501 is an apocalyptic number.

It is an amenable number.

317204897501 is a deficient number, since it is larger than the sum of its proper divisors (1).

317204897501 is an equidigital number, since it uses as much as digits as its factorization.

317204897501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 317204897501 in words is "three hundred seventeen billion, two hundred four million, eight hundred ninety-seven thousand, five hundred one".