22131031113340 has 96 divisors (see below), whose sum is σ = 48171537812160. Its totient is φ = 8535178469376.

The previous prime is 22131031113203. The next prime is 22131031113341. The reversal of 22131031113340 is 4331113013122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131031113341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182368524 + ... + 182489836.

It is an arithmetic number, because the mean of its divisors is an integer number (501786852210).

Almost surely, 2^{22131031113340} is an apocalyptic number.

22131031113340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131031113340 is an abundant number, since it is smaller than the sum of its proper divisors (26040506698820).

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

22131031113340 is a wasteful number, since it uses less digits than its factorization.

22131031113340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124351 (or 124349 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 22131031113340 its reverse (4331113013122), we get a palindrome (26462144126462).

The spelling of 22131031113340 in words is "twenty-two trillion, one hundred thirty-one billion, thirty-one million, one hundred thirteen thousand, three hundred forty".