22431313213 has 4 divisors (see below), whose sum is σ = 22525168320. Its totient is φ = 22337458108.

The previous prime is 22431313207. The next prime is 22431313249. The reversal of 22431313213 is 31231313422.

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 22431313213 - 2¹⁷ = 22431182141 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 (22431313313) 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 3 ways as a sum of consecutive naturals, for example, 46927195 + ... + 46927672.

It is an arithmetic number, because the mean of its divisors is an integer number (5631292080).

Almost surely, 2^22431313213 is an apocalyptic number.

It is an amenable number.

22431313213 is a deficient number, since it is larger than the sum of its proper divisors (93855107).

22431313213 is an equidigital number, since it uses as much as digits as its factorization.

22431313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93855106.

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

Adding to 22431313213 its reverse (31231313422), we get a palindrome (53662626635).

The spelling of 22431313213 in words is "twenty-two billion, four hundred thirty-one million, three hundred thirteen thousand, two hundred thirteen".