12315345307 has 4 divisors (see below), whose sum is σ = 12341056320. Its totient is φ = 12289634296.

The previous prime is 12315345269. The next prime is 12315345323. The reversal of 12315345307 is 70354351321.

12315345307 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12315345307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315345907) 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, 12854788 + ... + 12855745.

It is an arithmetic number, because the mean of its divisors is an integer number (3085264080).

Almost surely, 2^12315345307 is an apocalyptic number.

12315345307 is a deficient number, since it is larger than the sum of its proper divisors (25711013).

12315345307 is an equidigital number, since it uses as much as digits as its factorization.

12315345307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25711012.

The product of its (nonzero) digits is 37800, while the sum is 34.

Adding to 12315345307 its reverse (70354351321), we get a palindrome (82669696628).

The spelling of 12315345307 in words is "twelve billion, three hundred fifteen million, three hundred forty-five thousand, three hundred seven".