317314289 has 2 divisors, whose sum is σ = 317314290. Its totient is φ = 317314288.

The previous prime is 317314273. The next prime is 317314297. The reversal of 317314289 is 982413713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281971264 + 35343025 = 16792^2 + 5945^2 .

It is an emirp because it is prime and its reverse (982413713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317314289 - 2⁴ = 317314273 is a prime.

It is not a weakly prime, because it can be changed into another prime (317314189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158657144 + 158657145.

It is an arithmetic number, because the mean of its divisors is an integer number (158657145).

Almost surely, 2^317314289 is an apocalyptic number.

It is an amenable number.

317314289 is a deficient number, since it is larger than the sum of its proper divisors (1).

317314289 is an equidigital number, since it uses as much as digits as its factorization.

317314289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 317314289 is about 17813.3177426329. The cubic root of 317314289 is about 682.0714580429.

The spelling of 317314289 in words is "three hundred seventeen million, three hundred fourteen thousand, two hundred eighty-nine".