320864303 has 2 divisors, whose sum is σ = 320864304. Its totient is φ = 320864302.

The previous prime is 320864251. The next prime is 320864317. The reversal of 320864303 is 303468023.

It is a strong prime.

It is an emirp because it is prime and its reverse (303468023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320864303 - 2¹² = 320860207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320864363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160432151 + 160432152.

It is an arithmetic number, because the mean of its divisors is an integer number (160432152).

Almost surely, 2^320864303 is an apocalyptic number.

320864303 is a deficient number, since it is larger than the sum of its proper divisors (1).

320864303 is an equidigital number, since it uses as much as digits as its factorization.

320864303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 320864303 is about 17912.6855328842. The cubic root of 320864303 is about 684.6056323055.

The spelling of 320864303 in words is "three hundred twenty million, eight hundred sixty-four thousand, three hundred three".