11122231313 has 4 divisors (see below), whose sum is σ = 11332084788. Its totient is φ = 10912377840.

The previous prime is 11122231261. The next prime is 11122231327. The reversal of 11122231313 is 31313222111.

It is a happy number.

11122231313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5113966144 + 6008265169 = 71512^2 + 77513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122231313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122231013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104926658 + ... + 104926763.

It is an arithmetic number, because the mean of its divisors is an integer number (2833021197).

Almost surely, 2^11122231313 is an apocalyptic number.

It is an amenable number.

11122231313 is a deficient number, since it is larger than the sum of its proper divisors (209853475).

11122231313 is an equidigital number, since it uses as much as digits as its factorization.

11122231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209853474.

The product of its digits is 216, while the sum is 20.

Adding to 11122231313 its reverse (31313222111), we get a palindrome (42435453424).

The spelling of 11122231313 in words is "eleven billion, one hundred twenty-two million, two hundred thirty-one thousand, three hundred thirteen".