320315 has 4 divisors (see below), whose sum is σ = 384384. Its totient is φ = 256248.

The previous prime is 320303. The next prime is 320317. The reversal of 320315 is 513023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320315 - 2¹² = 316219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320315.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320315.

It is not an unprimeable number, because it can be changed into a prime (320317) 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 in 3 ways as a sum of consecutive naturals, for example, 32027 + ... + 32036.

It is an arithmetic number, because the mean of its divisors is an integer number (96096).

2³²⁰³¹⁵ is an apocalyptic number.

320315 is a deficient number, since it is larger than the sum of its proper divisors (64069).

320315 is an equidigital number, since it uses as much as digits as its factorization.

320315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64068.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 320315 is about 565.9637797598. The cubic root of 320315 is about 68.4214739411.

Adding to 320315 its reverse (513023), we get a palindrome (833338).

The spelling of 320315 in words is "three hundred twenty thousand, three hundred fifteen".