3220321012231 has 16 divisors (see below), whose sum is σ = 3234650112000. Its totient is φ = 3206028538048.

The previous prime is 3220321012217. The next prime is 3220321012247. The reversal of 3220321012231 is 1322101230223.

It is a cyclic number.

It is not a de Polignac number, because 3220321012231 - 2²³ = 3220312623623 is a prime.

It is a super-2 number, since 2×3220321012231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220321012261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692688795 + ... + 692693443.

It is an arithmetic number, because the mean of its divisors is an integer number (202165632000).

Almost surely, 2^{3220321012231} is an apocalyptic number.

3220321012231 is a deficient number, since it is larger than the sum of its proper divisors (14329099769).

3220321012231 is a wasteful number, since it uses less digits than its factorization.

3220321012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7958.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3220321012231 its reverse (1322101230223), we get a palindrome (4542422242454).

The spelling of 3220321012231 in words is "three trillion, two hundred twenty billion, three hundred twenty-one million, twelve thousand, two hundred thirty-one".