13331310313 has 4 divisors (see below), whose sum is σ = 13331619028. Its totient is φ = 13331001600.

The previous prime is 13331310283. The next prime is 13331310323. The reversal of 13331310313 is 31301313331.

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 3935303824 + 9396006489 = 62732^2 + 96933^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331310313 - 2⁹ = 13331309801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331310323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76488 + ... + 180313.

It is an arithmetic number, because the mean of its divisors is an integer number (3332904757).

Almost surely, 2^13331310313 is an apocalyptic number.

It is an amenable number.

13331310313 is a deficient number, since it is larger than the sum of its proper divisors (308715).

13331310313 is an equidigital number, since it uses as much as digits as its factorization.

13331310313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308714.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 13331310313 its reverse (31301313331), we get a palindrome (44632623644).

The spelling of 13331310313 in words is "thirteen billion, three hundred thirty-one million, three hundred ten thousand, three hundred thirteen".