12312431335 has 8 divisors (see below), whose sum is σ = 14775606576. Its totient is φ = 9849485760.

The previous prime is 12312431321. The next prime is 12312431347. The reversal of 12312431335 is 53313421321.

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

It is not a de Polignac number, because 12312431335 - 2⁵ = 12312431303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99540 + ... + 185830.

It is an arithmetic number, because the mean of its divisors is an integer number (1846950822).

Almost surely, 2^12312431335 is an apocalyptic number.

12312431335 is a deficient number, since it is larger than the sum of its proper divisors (2463175241).

12312431335 is an equidigital number, since it uses as much as digits as its factorization.

12312431335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114833.

The product of its digits is 6480, while the sum is 28.

Adding to 12312431335 its reverse (53313421321), we get a palindrome (65625852656).

The spelling of 12312431335 in words is "twelve billion, three hundred twelve million, four hundred thirty-one thousand, three hundred thirty-five".