22031131201 has 4 divisors (see below), whose sum is σ = 22042132272. Its totient is φ = 22020130132.

The previous prime is 22031131189. The next prime is 22031131253. The reversal of 22031131201 is 10213113022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22031131201 - 2⁹ = 22031130689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031131271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497531 + ... + 5501536.

It is an arithmetic number, because the mean of its divisors is an integer number (5510533068).

Almost surely, 2^22031131201 is an apocalyptic number.

It is an amenable number.

22031131201 is a deficient number, since it is larger than the sum of its proper divisors (11001071).

22031131201 is a wasteful number, since it uses less digits than its factorization.

22031131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001070.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22031131201 its reverse (10213113022), we get a palindrome (32244244223).

The spelling of 22031131201 in words is "twenty-two billion, thirty-one million, one hundred thirty-one thousand, two hundred one".