22132321313 has 4 divisors (see below), whose sum is σ = 22132625088. Its totient is φ = 22132017540.

The previous prime is 22132321249. The next prime is 22132321333. The reversal of 22132321313 is 31312323122.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22132321313 - 2⁶ = 22132321249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22132321333) 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, 30020 + ... + 212522.

It is an arithmetic number, because the mean of its divisors is an integer number (5533156272).

Almost surely, 2^22132321313 is an apocalyptic number.

It is an amenable number.

22132321313 is a deficient number, since it is larger than the sum of its proper divisors (303775).

22132321313 is a wasteful number, since it uses less digits than its factorization.

22132321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303774.

The product of its digits is 1296, while the sum is 23.

Adding to 22132321313 its reverse (31312323122), we get a palindrome (53444644435).

The spelling of 22132321313 in words is "twenty-two billion, one hundred thirty-two million, three hundred twenty-one thousand, three hundred thirteen".