13331023313 has 4 divisors (see below), whose sum is σ = 13333387188. Its totient is φ = 13328659440.

The previous prime is 13331023309. The next prime is 13331023319. The reversal of 13331023313 is 31332013331.

13331023313 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 4174064449 + 9156958864 = 64607^2 + 95692^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331023313 - 2² = 13331023309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13331023319) 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, 1173458 + ... + 1184763.

It is an arithmetic number, because the mean of its divisors is an integer number (3333346797).

Almost surely, 2^13331023313 is an apocalyptic number.

It is an amenable number.

13331023313 is a deficient number, since it is larger than the sum of its proper divisors (2363875).

13331023313 is an equidigital number, since it uses as much as digits as its factorization.

13331023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363874.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13331023313 its reverse (31332013331), we get a palindrome (44663036644).

The spelling of 13331023313 in words is "thirteen billion, three hundred thirty-one million, twenty-three thousand, three hundred thirteen".