22131030313200 has 240 divisors, whose sum is σ = 71637530904576. Its totient is φ = 5839951180800.

The previous prime is 22131030313177. The next prime is 22131030313211. The reversal of 22131030313200 is 231303013122.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44441590 + ... + 44936810.

Almost surely, 2^{22131030313200} is an apocalyptic number.

22131030313200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22131030313200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35818765452288).

22131030313200 is an abundant number, since it is smaller than the sum of its proper divisors (49506500591376).

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

22131030313200 is a wasteful number, since it uses less digits than its factorization.

22131030313200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495632 (or 495621 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22131030313200 its reverse (231303013122), we get a palindrome (22362333326322).

The spelling of 22131030313200 in words is "twenty-two trillion, one hundred thirty-one billion, thirty million, three hundred thirteen thousand, two hundred".