22131030310000 has 50 divisors (see below), whose sum is σ = 53581437507752. Its totient is φ = 8852412120000.

The previous prime is 22131030309931. The next prime is 22131030310009. The reversal of 22131030310000 is 1303013122.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×22131030310000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131030310009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1106541516 + ... + 1106561515.

Almost surely, 2^{22131030310000} is an apocalyptic number.

22131030310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131030310000 is an abundant number, since it is smaller than the sum of its proper divisors (31450407197752).

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

22131030310000 is an equidigital number, since it uses as much as digits as its factorization.

22131030310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213103059 (or 2213103038 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 22131030310000 its reverse (1303013122), we get a palindrome (22132333323122).

The spelling of 22131030310000 in words is "twenty-two trillion, one hundred thirty-one billion, thirty million, three hundred ten thousand".