317919103 has 2 divisors, whose sum is σ = 317919104. Its totient is φ = 317919102.

The previous prime is 317919073. The next prime is 317919109. The reversal of 317919103 is 301919713.

It is a strong prime.

It is an emirp because it is prime and its reverse (301919713) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317919103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317919109) 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, 158959551 + 158959552.

It is an arithmetic number, because the mean of its divisors is an integer number (158959552).

Almost surely, 2^317919103 is an apocalyptic number.

317919103 is a deficient number, since it is larger than the sum of its proper divisors (1).

317919103 is an equidigital number, since it uses as much as digits as its factorization.

317919103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 317919103 is about 17830.2861166051. The cubic root of 317919103 is about 682.5045350278.

The spelling of 317919103 in words is "three hundred seventeen million, nine hundred nineteen thousand, one hundred three".