13000323313 has 4 divisors (see below), whose sum is σ = 13000826340. Its totient is φ = 12999820288.

The previous prime is 13000323251. The next prime is 13000323331. The reversal of 13000323313 is 31332300031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31332300031 = 29 ⋅1080424139.

It can be written as a sum of positive squares in 2 ways, for example, as 3446629264 + 9553694049 = 58708^2 + 97743^2 .

It is a cyclic number.

It is not a de Polignac number, because 13000323313 - 2⁹ = 13000322801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000383313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210520 + ... + 265177.

It is an arithmetic number, because the mean of its divisors is an integer number (3250206585).

Almost surely, 2^13000323313 is an apocalyptic number.

It is an amenable number.

13000323313 is a deficient number, since it is larger than the sum of its proper divisors (503027).

13000323313 is an equidigital number, since it uses as much as digits as its factorization.

13000323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503026.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 13000323313 its reverse (31332300031), we get a palindrome (44332623344).

The spelling of 13000323313 in words is "thirteen billion, three hundred twenty-three thousand, three hundred thirteen".