12312431314 has 4 divisors (see below), whose sum is σ = 18468646974. Its totient is φ = 6156215656.

The previous prime is 12312431309. The next prime is 12312431321. The reversal of 12312431314 is 41313421321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12171605625 + 140825689 = 110325^2 + 11867^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078107827 + ... + 3078107830.

Almost surely, 2^12312431314 is an apocalyptic number.

12312431314 is a deficient number, since it is larger than the sum of its proper divisors (6156215660).

12312431314 is an equidigital number, since it uses as much as digits as its factorization.

12312431314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156215659.

The product of its digits is 1728, while the sum is 25.

Adding to 12312431314 its reverse (41313421321), we get a palindrome (53625852635).

The spelling of 12312431314 in words is "twelve billion, three hundred twelve million, four hundred thirty-one thousand, three hundred fourteen".