320283317 has 2 divisors, whose sum is σ = 320283318. Its totient is φ = 320283316.

The previous prime is 320283283. The next prime is 320283319. The reversal of 320283317 is 713382023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316875601 + 3407716 = 17801^2 + 1846^2 .

It is an emirp because it is prime and its reverse (713382023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320283317 - 2⁶ = 320283253 is a prime.

Together with 320283319, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320283317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320283319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160141658 + 160141659.

It is an arithmetic number, because the mean of its divisors is an integer number (160141659).

Almost surely, 2^320283317 is an apocalyptic number.

It is an amenable number.

320283317 is a deficient number, since it is larger than the sum of its proper divisors (1).

320283317 is an equidigital number, since it uses as much as digits as its factorization.

320283317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 320283317 is about 17896.4610188719. The cubic root of 320283317 is about 684.1921796495.

The spelling of 320283317 in words is "three hundred twenty million, two hundred eighty-three thousand, three hundred seventeen".