22011322313 has 4 divisors (see below), whose sum is σ = 22093149060. Its totient is φ = 21929495568.

The previous prime is 22011322273. The next prime is 22011322327. The reversal of 22011322313 is 31322311022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6022225609 + 15989096704 = 77603^2 + 126448^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011322313 - 2¹⁰ = 22011321289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011322363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40912970 + ... + 40913507.

It is an arithmetic number, because the mean of its divisors is an integer number (5523287265).

Almost surely, 2^22011322313 is an apocalyptic number.

It is an amenable number.

22011322313 is a deficient number, since it is larger than the sum of its proper divisors (81826747).

22011322313 is an equidigital number, since it uses as much as digits as its factorization.

22011322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81826746.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22011322313 its reverse (31322311022), we get a palindrome (53333633335).

The spelling of 22011322313 in words is "twenty-two billion, eleven million, three hundred twenty-two thousand, three hundred thirteen".