22131311311325 has 12 divisors (see below), whose sum is σ = 27442974602688. Its totient is φ = 17704953193200.

The previous prime is 22131311311309. The next prime is 22131311311339. The reversal of 22131311311325 is 52311311313122.

It is a happy number.

It is not a de Polignac number, because 22131311311325 - 2⁴ = 22131311311309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2510594 + ... + 7110956.

It is an arithmetic number, because the mean of its divisors is an integer number (2286914550224).

Almost surely, 2^{22131311311325} is an apocalyptic number.

22131311311325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22131311311325 is a deficient number, since it is larger than the sum of its proper divisors (5311663291363).

22131311311325 is a wasteful number, since it uses less digits than its factorization.

22131311311325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792804 (or 4792799 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

Adding to 22131311311325 its reverse (52311311313122), we get a palindrome (74442622624447).

The spelling of 22131311311325 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred eleven million, three hundred eleven thousand, three hundred twenty-five".