317448013 has 2 divisors, whose sum is σ = 317448014. Its totient is φ = 317448012.

The previous prime is 317447989. The next prime is 317448073. The reversal of 317448013 is 310844713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243453609 + 73994404 = 15603^2 + 8602^2 .

It is an emirp because it is prime and its reverse (310844713) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317448013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317448073) 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, 158724006 + 158724007.

It is an arithmetic number, because the mean of its divisors is an integer number (158724007).

Almost surely, 2^317448013 is an apocalyptic number.

It is an amenable number.

317448013 is a deficient number, since it is larger than the sum of its proper divisors (1).

317448013 is an equidigital number, since it uses as much as digits as its factorization.

317448013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 317448013 is about 17817.0708310878. The cubic root of 317448013 is about 682.1672584498.

The spelling of 317448013 in words is "three hundred seventeen million, four hundred forty-eight thousand, thirteen".