223031211030 has 48 divisors (see below), whose sum is σ = 581034111840. Its totient is φ = 59356737024.

The previous prime is 223031211023. The next prime is 223031211041. The reversal of 223031211030 is 30112130322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 223031210994 and 223031211012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2418075 + ... + 2508614.

It is an arithmetic number, because the mean of its divisors is an integer number (12104877330).

Almost surely, 2^223031211030 is an apocalyptic number.

223031211030 is an abundant number, since it is smaller than the sum of its proper divisors (358002900810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223031211030 is a wasteful number, since it uses less digits than its factorization.

223031211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927205 (or 4927202 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 223031211030 its reverse (30112130322), we get a palindrome (253143341352).

The spelling of 223031211030 in words is "two hundred twenty-three billion, thirty-one million, two hundred eleven thousand, thirty".