320917327 has 2 divisors, whose sum is σ = 320917328. Its totient is φ = 320917326.

The previous prime is 320917309. The next prime is 320917361. The reversal of 320917327 is 723719023.

It is an a-pointer prime, because the next prime (320917361) can be obtained adding 320917327 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (723719023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320917327 - 2⁷ = 320917199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320917292 and 320917301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320917307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160458663 + 160458664.

It is an arithmetic number, because the mean of its divisors is an integer number (160458664).

Almost surely, 2^320917327 is an apocalyptic number.

320917327 is a deficient number, since it is larger than the sum of its proper divisors (1).

320917327 is an equidigital number, since it uses as much as digits as its factorization.

320917327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 320917327 is about 17914.1655401529. The cubic root of 320917327 is about 684.6433414235.

The spelling of 320917327 in words is "three hundred twenty million, nine hundred seventeen thousand, three hundred twenty-seven".