122313222313 has 4 divisors (see below), whose sum is σ = 122321132548. Its totient is φ = 122305312080.

The previous prime is 122313222287. The next prime is 122313222319. The reversal of 122313222313 is 313222313221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313222313221 = 42979 ⋅7287799.

It can be written as a sum of positive squares in 2 ways, for example, as 53801730304 + 68511492009 = 231952^2 + 261747^2 .

It is a cyclic number.

It is not a de Polignac number, because 122313222313 - 2⁵ = 122313222281 is a prime.

It is a super-2 number, since 2×122313222313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122313222319) 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, 3931878 + ... + 3962863.

It is an arithmetic number, because the mean of its divisors is an integer number (30580283137).

Almost surely, 2^122313222313 is an apocalyptic number.

It is an amenable number.

122313222313 is a deficient number, since it is larger than the sum of its proper divisors (7910235).

122313222313 is an equidigital number, since it uses as much as digits as its factorization.

122313222313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910234.

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

Adding to 122313222313 its reverse (313222313221), we get a palindrome (435535535534).

The spelling of 122313222313 in words is "one hundred twenty-two billion, three hundred thirteen million, two hundred twenty-two thousand, three hundred thirteen".