12320020313 has 4 divisors (see below), whose sum is σ = 12327172368. Its totient is φ = 12312868260.

The previous prime is 12320020253. The next prime is 12320020373. The reversal of 12320020313 is 31302002321.

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.

It is an interprime number because it is at equal distance from previous prime (12320020253) and next prime (12320020373).

It is a cyclic number.

It is not a de Polignac number, because 12320020313 - 2⁶ = 12320020249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12320020291 and 12320020300.

It is not an unprimeable number, because it can be changed into a prime (12320020373) 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, 3573443 + ... + 3576888.

It is an arithmetic number, because the mean of its divisors is an integer number (3081793092).

Almost surely, 2^12320020313 is an apocalyptic number.

It is an amenable number.

12320020313 is a deficient number, since it is larger than the sum of its proper divisors (7152055).

12320020313 is an equidigital number, since it uses as much as digits as its factorization.

12320020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152054.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12320020313 its reverse (31302002321), we get a palindrome (43622022634).

The spelling of 12320020313 in words is "twelve billion, three hundred twenty million, twenty thousand, three hundred thirteen".