223110221031 has 12 divisors (see below), whose sum is σ = 322635302808. Its totient is φ = 148571693424.

The previous prime is 223110221023. The next prime is 223110221041. The reversal of 223110221031 is 130122011322.

It is not a de Polignac number, because 223110221031 - 2³ = 223110221023 is a prime.

It is a super-3 number, since 3×223110221031³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 223110220995 and 223110221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223110221011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14029440 + ... + 14045333.

It is an arithmetic number, because the mean of its divisors is an integer number (26886275234).

Almost surely, 2^223110221031 is an apocalyptic number.

223110221031 is a deficient number, since it is larger than the sum of its proper divisors (99525081777).

223110221031 is a wasteful number, since it uses less digits than its factorization.

223110221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28075662 (or 28075659 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223110221031 its reverse (130122011322), we get a palindrome (353232232353).

The spelling of 223110221031 in words is "two hundred twenty-three billion, one hundred ten million, two hundred twenty-one thousand, thirty-one".