22431133213 has 4 divisors (see below), whose sum is σ = 22640770080. Its totient is φ = 22221496348.

The previous prime is 22431133159. The next prime is 22431133229. The reversal of 22431133213 is 31233113422.

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 22431133213 - 2⁹ = 22431132701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431133313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104818273 + ... + 104818486.

It is an arithmetic number, because the mean of its divisors is an integer number (5660192520).

Almost surely, 2^22431133213 is an apocalyptic number.

It is an amenable number.

22431133213 is a deficient number, since it is larger than the sum of its proper divisors (209636867).

22431133213 is a wasteful number, since it uses less digits than its factorization.

22431133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209636866.

The product of its digits is 2592, while the sum is 25.

Adding to 22431133213 its reverse (31233113422), we get a palindrome (53664246635).

The spelling of 22431133213 in words is "twenty-two billion, four hundred thirty-one million, one hundred thirty-three thousand, two hundred thirteen".