319307017 has 2 divisors, whose sum is σ = 319307018. Its totient is φ = 319307016.

The previous prime is 319306993. The next prime is 319307063. The reversal of 319307017 is 710703913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298045696 + 21261321 = 17264^2 + 4611^2 .

It is an emirp because it is prime and its reverse (710703913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319307017 - 2¹¹ = 319304969 is a prime.

It is a super-2 number, since 2×319307017² = 203913942210876578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 319307017.

It is not a weakly prime, because it can be changed into another prime (319307117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159653508 + 159653509.

It is an arithmetic number, because the mean of its divisors is an integer number (159653509).

Almost surely, 2^319307017 is an apocalyptic number.

It is an amenable number.

319307017 is a deficient number, since it is larger than the sum of its proper divisors (1).

319307017 is an equidigital number, since it uses as much as digits as its factorization.

319307017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 319307017 is about 17869.1638584462. The cubic root of 319307017 is about 683.4962783867.

The spelling of 319307017 in words is "three hundred nineteen million, three hundred seven thousand, seventeen".