22313312113 has 2 divisors, whose sum is σ = 22313312114. Its totient is φ = 22313312112.

The previous prime is 22313312041. The next prime is 22313312143. The reversal of 22313312113 is 31121331322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21683151504 + 630160609 = 147252^2 + 25103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22313312113 is a prime.

It is a super-3 number, since 3×22313312113³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22313312143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156656056 + 11156656057.

It is an arithmetic number, because the mean of its divisors is an integer number (11156656057).

Almost surely, 2^22313312113 is an apocalyptic number.

It is an amenable number.

22313312113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22313312113 is an equidigital number, since it uses as much as digits as its factorization.

22313312113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

Adding to 22313312113 its reverse (31121331322), we get a palindrome (53434643435).

The spelling of 22313312113 in words is "twenty-two billion, three hundred thirteen million, three hundred twelve thousand, one hundred thirteen".