12431343310031 has 8 divisors (see below), whose sum is σ = 12502185289440. Its totient is φ = 12360694624992.

The previous prime is 12431343310013. The next prime is 12431343310081. The reversal of 12431343310031 is 13001334313421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12431343310031 is a prime.

It is a super-2 number, since 2×12431343310031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12431343309976 and 12431343310003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431343310081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48194600 + ... + 48451853.

It is an arithmetic number, because the mean of its divisors is an integer number (1562773161180).

Almost surely, 2^{12431343310031} is an apocalyptic number.

12431343310031 is a deficient number, since it is larger than the sum of its proper divisors (70841979409).

12431343310031 is an equidigital number, since it uses as much as digits as its factorization.

12431343310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96647185.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 12431343310031 its reverse (13001334313421), we get a palindrome (25432677623452).

The spelling of 12431343310031 in words is "twelve trillion, four hundred thirty-one billion, three hundred forty-three million, three hundred ten thousand, thirty-one".