223312203321031 has 16 divisors (see below), whose sum is σ = 249576196550688. Its totient is φ = 198042861196800.

The previous prime is 223312203321013. The next prime is 223312203321049. The reversal of 223312203321031 is 130123302213322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (223312203321013) and next prime (223312203321049).

It is a cyclic number.

It is not a de Polignac number, because 223312203321031 - 2²³ = 223312194932423 is a prime.

It is a super-2 number, since 2×223312203321031² (a number of 29 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 (223312203321061) 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, 15585696 + ... + 26259061.

It is an arithmetic number, because the mean of its divisors is an integer number (15598512284418).

Almost surely, 2^{223312203321031} is an apocalyptic number.

223312203321031 is a deficient number, since it is larger than the sum of its proper divisors (26263993229657).

223312203321031 is a wasteful number, since it uses less digits than its factorization.

223312203321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41856642.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 223312203321031 its reverse (130123302213322), we get a palindrome (353435505534353).

The spelling of 223312203321031 in words is "two hundred twenty-three trillion, three hundred twelve billion, two hundred three million, three hundred twenty-one thousand, thirty-one".