320316201 has 20 divisors (see below), whose sum is σ = 478978500. Its totient is φ = 213329376.

The previous prime is 320316181. The next prime is 320316257. The reversal of 320316201 is 102613023.

It can be written as a sum of positive squares in 2 ways, for example, as 297045225 + 23270976 = 17235^2 + 4824^2 .

It is a de Polignac number, because none of the positive numbers 2^k-320316201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320316901) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 156855 + ... + 158883.

It is an arithmetic number, because the mean of its divisors is an integer number (23948925).

Almost surely, 2^320316201 is an apocalyptic number.

It is an amenable number.

320316201 is a deficient number, since it is larger than the sum of its proper divisors (158662299).

320316201 is a wasteful number, since it uses less digits than its factorization.

320316201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990 (or 3981 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 320316201 is about 17897.3797244178. The cubic root of 320316201 is about 684.2155945497.

Adding to 320316201 its reverse (102613023), we get a palindrome (422929224).

The spelling of 320316201 in words is "three hundred twenty million, three hundred sixteen thousand, two hundred one".