213023113110 has 128 divisors (see below), whose sum is σ = 587947248000. Its totient is φ = 54819588096.

The previous prime is 213023113057. The next prime is 213023113111. The reversal of 213023113110 is 11311320312.

213023113110 is a `hidden beast` number, since 21 + 302 + 31 + 1 + 311 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213023113111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18731506 + ... + 18742874.

It is an arithmetic number, because the mean of its divisors is an integer number (4593337875).

Almost surely, 2^213023113110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213023113110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293973624000).

213023113110 is an abundant number, since it is smaller than the sum of its proper divisors (374924134890).

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

213023113110 is a wasteful number, since it uses less digits than its factorization.

213023113110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13807 (or 13801 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213023113110 its reverse (11311320312), we get a palindrome (224334433422).

The spelling of 213023113110 in words is "two hundred thirteen billion, twenty-three million, one hundred thirteen thousand, one hundred ten".