320311013233 has 4 divisors (see below), whose sum is σ = 327760106608. Its totient is φ = 312861919860.

The previous prime is 320311013203. The next prime is 320311013279. The reversal of 320311013233 is 332310113023.

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 320311013233 - 2¹⁷ = 320310882161 is a prime.

It is a super-2 number, since 2×320311013233² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320311013203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3724546623 + ... + 3724546708.

It is an arithmetic number, because the mean of its divisors is an integer number (81940026652).

Almost surely, 2^320311013233 is an apocalyptic number.

It is an amenable number.

320311013233 is a deficient number, since it is larger than the sum of its proper divisors (7449093375).

320311013233 is an equidigital number, since it uses as much as digits as its factorization.

320311013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449093374.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 320311013233 its reverse (332310113023), we get a palindrome (652621126256).

The spelling of 320311013233 in words is "three hundred twenty billion, three hundred eleven million, thirteen thousand, two hundred thirty-three".