12310320313 has 4 divisors (see below), whose sum is σ = 13034456820. Its totient is φ = 11586183808.

The previous prime is 12310320293. The next prime is 12310320329. The reversal of 12310320313 is 31302301321.

12310320313 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 10952250409 + 1358069904 = 104653^2 + 36852^2 .

It is not a de Polignac number, because 12310320313 - 2¹³ = 12310312121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310320013) 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, 362068228 + ... + 362068261.

It is an arithmetic number, because the mean of its divisors is an integer number (3258614205).

Almost surely, 2^12310320313 is an apocalyptic number.

It is an amenable number.

12310320313 is a deficient number, since it is larger than the sum of its proper divisors (724136507).

12310320313 is an equidigital number, since it uses as much as digits as its factorization.

12310320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724136506.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12310320313 its reverse (31302301321), we get a palindrome (43612621634).

The spelling of 12310320313 in words is "twelve billion, three hundred ten million, three hundred twenty thousand, three hundred thirteen".