22000431131 has 8 divisors (see below), whose sum is σ = 25151992800. Its totient is φ = 18851030208.

The previous prime is 22000431077. The next prime is 22000431143. The reversal of 22000431131 is 13113400022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000431131 - 2⁶ = 22000431067 is a prime.

It is a super-2 number, since 2×22000431131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000431161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518306 + ... + 559143.

It is an arithmetic number, because the mean of its divisors is an integer number (3143999100).

Almost surely, 2^22000431131 is an apocalyptic number.

22000431131 is a deficient number, since it is larger than the sum of its proper divisors (3151561669).

22000431131 is a wasteful number, since it uses less digits than its factorization.

22000431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080373.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22000431131 its reverse (13113400022), we get a palindrome (35113831153).

The spelling of 22000431131 in words is "twenty-two billion, four hundred thirty-one thousand, one hundred thirty-one".