3220320202331 has 4 divisors (see below), whose sum is σ = 3233682527064. Its totient is φ = 3206957877600.

The previous prime is 3220320202289. The next prime is 3220320202403. The reversal of 3220320202331 is 1332020230223.

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 3220320202331 - 2¹⁴ = 3220320185947 is a prime.

It is a super-2 number, since 2×3220320202331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220320202297 and 3220320202306.

It is not an unprimeable number, because it can be changed into a prime (3220320204331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6681162005 + ... + 6681162486.

It is an arithmetic number, because the mean of its divisors is an integer number (808420631766).

Almost surely, 2^{3220320202331} is an apocalyptic number.

3220320202331 is a deficient number, since it is larger than the sum of its proper divisors (13362324733).

3220320202331 is a wasteful number, since it uses less digits than its factorization.

3220320202331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13362324732.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 3220320202331 its reverse (1332020230223), we get a palindrome (4552340432554).

The spelling of 3220320202331 in words is "three trillion, two hundred twenty billion, three hundred twenty million, two hundred two thousand, three hundred thirty-one".