22320131313 has 4 divisors (see below), whose sum is σ = 29760175088. Its totient is φ = 14880087540.

The previous prime is 22320131297. The next prime is 22320131333. The reversal of 22320131313 is 31313102322.

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 not a de Polignac number, because 22320131313 - 2⁴ = 22320131297 is a prime.

It is a super-3 number, since 3×22320131313³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22320131313.

It is not an unprimeable number, because it can be changed into a prime (22320131333) 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, 3720021883 + ... + 3720021888.

It is an arithmetic number, because the mean of its divisors is an integer number (7440043772).

Almost surely, 2^22320131313 is an apocalyptic number.

It is an amenable number.

22320131313 is a deficient number, since it is larger than the sum of its proper divisors (7440043775).

22320131313 is an equidigital number, since it uses as much as digits as its factorization.

22320131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440043774.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22320131313 its reverse (31313102322), we get a palindrome (53633233635).

The spelling of 22320131313 in words is "twenty-two billion, three hundred twenty million, one hundred thirty-one thousand, three hundred thirteen".