320343315 has 16 divisors (see below), whose sum is σ = 513394848. Its totient is φ = 170567936.

The previous prime is 320343311. The next prime is 320343319. The reversal of 320343315 is 513343023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320343311) and next prime (320343319).

It is a cyclic number.

It is not a de Polignac number, because 320343315 - 2² = 320343311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320343311) 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 15 ways as a sum of consecutive naturals, for example, 8052 + ... + 26561.

It is an arithmetic number, because the mean of its divisors is an integer number (32087178).

Almost surely, 2^320343315 is an apocalyptic number.

320343315 is a deficient number, since it is larger than the sum of its proper divisors (193051533).

320343315 is a wasteful number, since it uses less digits than its factorization.

320343315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35238.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 320343315 is about 17898.1371935741. The cubic root of 320343315 is about 684.2348997427.

Adding to 320343315 its reverse (513343023), we get a palindrome (833686338).

The spelling of 320343315 in words is "three hundred twenty million, three hundred forty-three thousand, three hundred fifteen".