320031201 has 12 divisors (see below), whose sum is σ = 496375152. Its totient is φ = 182874888.

The previous prime is 320031191. The next prime is 320031209. The reversal of 320031201 is 102130023.

It is a happy number.

It is not a de Polignac number, because 320031201 - 2⁵ = 320031169 is a prime.

It is a super-2 number, since 2×320031201² = 204839939227004802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320031209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1088395 + ... + 1088688.

It is an arithmetic number, because the mean of its divisors is an integer number (41364596).

Almost surely, 2^320031201 is an apocalyptic number.

It is an amenable number.

320031201 is a deficient number, since it is larger than the sum of its proper divisors (176343951).

320031201 is a wasteful number, since it uses less digits than its factorization.

320031201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177100 (or 2177093 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320031201 is about 17889.4158932034. The cubic root of 320031201 is about 684.0126083480.

Adding to 320031201 its reverse (102130023), we get a palindrome (422161224).

The spelling of 320031201 in words is "three hundred twenty million, thirty-one thousand, two hundred one".