317487223409 has 2 divisors, whose sum is σ = 317487223410. Its totient is φ = 317487223408.

The previous prime is 317487223393. The next prime is 317487223477. The reversal of 317487223409 is 904322784713.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315770944225 + 1716279184 = 561935^2 + 41428^2 .

It is an emirp because it is prime and its reverse (904322784713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317487223409 - 2⁴ = 317487223393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (317487223309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158743611704 + 158743611705.

It is an arithmetic number, because the mean of its divisors is an integer number (158743611705).

Almost surely, 2^317487223409 is an apocalyptic number.

It is an amenable number.

317487223409 is a deficient number, since it is larger than the sum of its proper divisors (1).

317487223409 is an equidigital number, since it uses as much as digits as its factorization.

317487223409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 317487223409 in words is "three hundred seventeen billion, four hundred eighty-seven million, two hundred twenty-three thousand, four hundred nine".