3220023113231 has 4 divisors (see below), whose sum is σ = 3220026711000. Its totient is φ = 3220019515464.

The previous prime is 3220023113191. The next prime is 3220023113291. The reversal of 3220023113231 is 1323113200223.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220023113231 is a prime.

It is a super-2 number, since 2×3220023113231² (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 = 3220023113197 and 3220023113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220023113291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709940 + ... + 2635158.

It is an arithmetic number, because the mean of its divisors is an integer number (805006677750).

Almost surely, 2^{3220023113231} is an apocalyptic number.

3220023113231 is a deficient number, since it is larger than the sum of its proper divisors (3597769).

3220023113231 is a wasteful number, since it uses less digits than its factorization.

3220023113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597768.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3220023113231 its reverse (1323113200223), we get a palindrome (4543136313454).

The spelling of 3220023113231 in words is "three trillion, two hundred twenty billion, twenty-three million, one hundred thirteen thousand, two hundred thirty-one".