320331301 has 2 divisors, whose sum is σ = 320331302. Its totient is φ = 320331300.

The previous prime is 320331299. The next prime is 320331307. The reversal of 320331301 is 103133023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273737025 + 46594276 = 16545^2 + 6826^2 .

It is a cyclic number.

It is not a de Polignac number, because 320331301 - 2¹ = 320331299 is a prime.

It is a super-2 number, since 2×320331301² = 205224284800705202, which contains 22 as substring.

Together with 320331299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320331307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160165650 + 160165651.

It is an arithmetic number, because the mean of its divisors is an integer number (160165651).

Almost surely, 2^320331301 is an apocalyptic number.

It is an amenable number.

320331301 is a deficient number, since it is larger than the sum of its proper divisors (1).

320331301 is an equidigital number, since it uses as much as digits as its factorization.

320331301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 320331301 is about 17897.8015689078. The cubic root of 320331301 is about 684.2263458980.

Adding to 320331301 its reverse (103133023), we get a palindrome (423464324).

The spelling of 320331301 in words is "three hundred twenty million, three hundred thirty-one thousand, three hundred one".