22153423131 has 80 divisors (see below), whose sum is σ = 38622696640. Its totient is φ = 12392766720.

The previous prime is 22153423111. The next prime is 22153423139. The reversal of 22153423131 is 13132435122.

22153423131 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 342 + 313 + 1 = 666.

It is not a de Polignac number, because 22153423131 - 2¹³ = 22153414939 is a prime.

It is a super-2 number, since 2×22153423131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22153423095 and 22153423104.

It is not an unprimeable number, because it can be changed into a prime (22153423139) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7919025 + ... + 7921821.

It is an arithmetic number, because the mean of its divisors is an integer number (482783708).

Almost surely, 2^22153423131 is an apocalyptic number.

22153423131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22153423131 is a deficient number, since it is larger than the sum of its proper divisors (16469273509).

22153423131 is a wasteful number, since it uses less digits than its factorization.

22153423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106 (or 3097 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 22153423131 its reverse (13132435122), we get a palindrome (35285858253).

The spelling of 22153423131 in words is "twenty-two billion, one hundred fifty-three million, four hundred twenty-three thousand, one hundred thirty-one".