3220312321331 has 24 divisors (see below), whose sum is σ = 3837405648384. Its totient is φ = 2693114358480.

The previous prime is 3220312321321. The next prime is 3220312321349. The reversal of 3220312321331 is 1331232130223.

It is not a de Polignac number, because 3220312321331 - 2³⁰ = 3219238579507 is a prime.

It is a super-2 number, since 2×3220312321331² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3220312321331.

It is not an unprimeable number, because it can be changed into a prime (3220312321321) 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 23 ways as a sum of consecutive naturals, for example, 1080626 + ... + 2758328.

It is an arithmetic number, because the mean of its divisors is an integer number (159891902016).

Almost surely, 2^{3220312321331} is an apocalyptic number.

3220312321331 is a deficient number, since it is larger than the sum of its proper divisors (617093327053).

3220312321331 is a wasteful number, since it uses less digits than its factorization.

3220312321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678671 (or 1678664 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3220312321331 its reverse (1331232130223), we get a palindrome (4551544451554).

The spelling of 3220312321331 in words is "three trillion, two hundred twenty billion, three hundred twelve million, three hundred twenty-one thousand, three hundred thirty-one".