319851713 has 2 divisors, whose sum is σ = 319851714. Its totient is φ = 319851712.

The previous prime is 319851703. The next prime is 319851751. The reversal of 319851713 is 317158913.

It is an a-pointer prime, because the next prime (319851751) can be obtained adding 319851713 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262213249 + 57638464 = 16193^2 + 7592^2 .

It is an emirp because it is prime and its reverse (317158913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319851713 - 2¹⁰ = 319850689 is a prime.

It is not a weakly prime, because it can be changed into another prime (319851703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159925856 + 159925857.

It is an arithmetic number, because the mean of its divisors is an integer number (159925857).

Almost surely, 2^319851713 is an apocalyptic number.

It is an amenable number.

319851713 is a deficient number, since it is larger than the sum of its proper divisors (1).

319851713 is an equidigital number, since it uses as much as digits as its factorization.

319851713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 319851713 is about 17884.3985920690. The cubic root of 319851713 is about 683.8847093454.

The spelling of 319851713 in words is "three hundred nineteen million, eight hundred fifty-one thousand, seven hundred thirteen".