13331222313 has 4 divisors (see below), whose sum is σ = 17774963088. Its totient is φ = 8887481540.

The previous prime is 13331222279. The next prime is 13331222321. The reversal of 13331222313 is 31322213331.

13331222313 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31322213331 = 3 ⋅10440737777.

It is a cyclic number.

It is not a de Polignac number, because 13331222313 - 2⁶ = 13331222249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13331222213) 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, 2221870383 + ... + 2221870388.

It is an arithmetic number, because the mean of its divisors is an integer number (4443740772).

Almost surely, 2^13331222313 is an apocalyptic number.

It is an amenable number.

13331222313 is a deficient number, since it is larger than the sum of its proper divisors (4443740775).

13331222313 is an equidigital number, since it uses as much as digits as its factorization.

13331222313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443740774.

The product of its digits is 1944, while the sum is 24.

Adding to 13331222313 its reverse (31322213331), we get a palindrome (44653435644).

The spelling of 13331222313 in words is "thirteen billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred thirteen".