22131273131 has 8 divisors (see below), whose sum is σ = 25413902400. Its totient is φ = 19060426440.

The previous prime is 22131273119. The next prime is 22131273133. The reversal of 22131273131 is 13137213122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22131273131 - 2¹⁴ = 22131256747 is a prime.

It is a super-2 number, since 2×22131273131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22131273131.

It is not an unprimeable number, because it can be changed into a prime (22131273133) 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 7 ways as a sum of consecutive naturals, for example, 52945421 + ... + 52945838.

It is an arithmetic number, because the mean of its divisors is an integer number (3176737800).

Almost surely, 2^22131273131 is an apocalyptic number.

22131273131 is a deficient number, since it is larger than the sum of its proper divisors (3282629269).

22131273131 is a wasteful number, since it uses less digits than its factorization.

22131273131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105891289.

The product of its digits is 1512, while the sum is 26.

Adding to 22131273131 its reverse (13137213122), we get a palindrome (35268486253).

It can be divided in two parts, 22 and 131273131, that multiplied together give a palindrome (2888008882).

The spelling of 22131273131 in words is "twenty-two billion, one hundred thirty-one million, two hundred seventy-three thousand, one hundred thirty-one".