2223031220231 has 24 divisors (see below), whose sum is σ = 2277087694560. Its totient is φ = 2169905509376.

The previous prime is 2223031220219. The next prime is 2223031220269. The reversal of 2223031220231 is 1320221303222.

It is not a de Polignac number, because 2223031220231 - 2²⁶ = 2222964111367 is a prime.

It is a super-2 number, since 2×2223031220231² (a number of 25 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 = 2223031220197 and 2223031220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223031280231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329970095 + ... + 329976831.

It is an arithmetic number, because the mean of its divisors is an integer number (94878653940).

Almost surely, 2^{2223031220231} is an apocalyptic number.

2223031220231 is a deficient number, since it is larger than the sum of its proper divisors (54056474329).

2223031220231 is an equidigital number, since it uses as much as digits as its factorization.

2223031220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291 (or 7142 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2223031220231 its reverse (1320221303222), we get a palindrome (3543252523453).

The spelling of 2223031220231 in words is "two trillion, two hundred twenty-three billion, thirty-one million, two hundred twenty thousand, two hundred thirty-one".