12312431315 has 8 divisors (see below), whose sum is σ = 14777401200. Its totient is φ = 9848289312.

The previous prime is 12312431309. The next prime is 12312431321. The reversal of 12312431315 is 51313421321.

It is an interprime number because it is at equal distance from previous prime (12312431309) and next prime (12312431321).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12312431315 - 2⁶ = 12312431251 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 173765 + ... + 234134.

It is an arithmetic number, because the mean of its divisors is an integer number (1847175150).

Almost surely, 2^12312431315 is an apocalyptic number.

12312431315 is a deficient number, since it is larger than the sum of its proper divisors (2464969885).

12312431315 is an equidigital number, since it uses as much as digits as its factorization.

12312431315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413941.

The product of its digits is 2160, while the sum is 26.

Adding to 12312431315 its reverse (51313421321), we get a palindrome (63625852636).

The spelling of 12312431315 in words is "twelve billion, three hundred twelve million, four hundred thirty-one thousand, three hundred fifteen".