22313122313 has 4 divisors (see below), whose sum is σ = 22314244500. Its totient is φ = 22312000128.

The previous prime is 22313122297. The next prime is 22313122327. The reversal of 22313122313 is 31322131322.

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 12609493264 + 9703629049 = 112292^2 + 98507^2 .

It is a cyclic number.

It is not a de Polignac number, because 22313122313 - 2⁴ = 22313122297 is a prime.

It is a super-3 number, since 3×22313122313³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22313122393) 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, 530720 + ... + 571217.

It is an arithmetic number, because the mean of its divisors is an integer number (5578561125).

Almost surely, 2^22313122313 is an apocalyptic number.

It is an amenable number.

22313122313 is a deficient number, since it is larger than the sum of its proper divisors (1122187).

22313122313 is a wasteful number, since it uses less digits than its factorization.

22313122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122186.

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

Adding to 22313122313 its reverse (31322131322), we get a palindrome (53635253635).

Subtracting 22313122313 from its reverse (31322131322), we obtain a palindrome (9009009009).

The spelling of 22313122313 in words is "twenty-two billion, three hundred thirteen million, one hundred twenty-two thousand, three hundred thirteen".