320331201 has 4 divisors (see below), whose sum is σ = 427108272. Its totient is φ = 213554132.

The previous prime is 320331181. The next prime is 320331229. The reversal of 320331201 is 102133023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320331201 - 2⁵ = 320331169 is a prime.

It is a super-2 number, since 2×320331201² = 205224156668204802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320331251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53388531 + ... + 53388536.

It is an arithmetic number, because the mean of its divisors is an integer number (106777068).

Almost surely, 2^320331201 is an apocalyptic number.

It is an amenable number.

320331201 is a deficient number, since it is larger than the sum of its proper divisors (106777071).

320331201 is a wasteful number, since it uses less digits than its factorization.

320331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106777070.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 320331201 is about 17897.7987752684. The cubic root of 320331201 is about 684.2262746981.

Adding to 320331201 its reverse (102133023), we get a palindrome (422464224).

The spelling of 320331201 in words is "three hundred twenty million, three hundred thirty-one thousand, two hundred one".