320103331 has 4 divisors (see below), whose sum is σ = 320204464. Its totient is φ = 320002200.

The previous prime is 320103313. The next prime is 320103337. The reversal of 320103331 is 133301023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320103331 - 2⁹ = 320102819 is a prime.

It is a super-2 number, since 2×320103331² = 204932285034591122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320103337) 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 3 ways as a sum of consecutive naturals, for example, 45660 + ... + 52201.

It is an arithmetic number, because the mean of its divisors is an integer number (80051116).

Almost surely, 2^320103331 is an apocalyptic number.

320103331 is a deficient number, since it is larger than the sum of its proper divisors (101133).

320103331 is an equidigital number, since it uses as much as digits as its factorization.

320103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101132.

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

The square root of 320103331 is about 17891.4317761324. The cubic root of 320103331 is about 684.0639930496.

Adding to 320103331 its reverse (133301023), we get a palindrome (453404354).

The spelling of 320103331 in words is "three hundred twenty million, one hundred three thousand, three hundred thirty-one".