20223310331 has 6 divisors (see below), whose sum is σ = 23525075340. Its totient is φ = 17334265956.

The previous prime is 20223310321. The next prime is 20223310339. The reversal of 20223310331 is 13301332202.

It is not a de Polignac number, because 20223310331 - 2⁶ = 20223310267 is a prime.

It is a super-2 number, since 2×20223310331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223310339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206360261 + ... + 206360358.

It is an arithmetic number, because the mean of its divisors is an integer number (3920845890).

Almost surely, 2^20223310331 is an apocalyptic number.

20223310331 is a deficient number, since it is larger than the sum of its proper divisors (3301765009).

20223310331 is an equidigital number, since it uses as much as digits as its factorization.

20223310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412720633 (or 412720626 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20223310331 its reverse (13301332202), we get a palindrome (33524642533).

The spelling of 20223310331 in words is "twenty billion, two hundred twenty-three million, three hundred ten thousand, three hundred thirty-one".