11321223313 has 4 divisors (see below), whose sum is σ = 11331894708. Its totient is φ = 11310551920.

The previous prime is 11321223269. The next prime is 11321223349. The reversal of 11321223313 is 31332212311.

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 5858830849 + 5462392464 = 76543^2 + 73908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321223313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321223413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5334106 + ... + 5336227.

It is an arithmetic number, because the mean of its divisors is an integer number (2832973677).

Almost surely, 2^11321223313 is an apocalyptic number.

It is an amenable number.

11321223313 is a deficient number, since it is larger than the sum of its proper divisors (10671395).

11321223313 is a wasteful number, since it uses less digits than its factorization.

11321223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671394.

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

Adding to 11321223313 its reverse (31332212311), we get a palindrome (42653435624).

The spelling of 11321223313 in words is "eleven billion, three hundred twenty-one million, two hundred twenty-three thousand, three hundred thirteen".