12313241431 has 4 divisors (see below), whose sum is σ = 12313470312. Its totient is φ = 12313012552.

The previous prime is 12313241407. The next prime is 12313241449. The reversal of 12313241431 is 13414231321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13414231321 = 109453 ⋅122557.

It is a cyclic number.

It is not a de Polignac number, because 12313241431 - 2²⁵ = 12279686999 is a prime.

It is a super-2 number, since 2×12313241431² (a number of 21 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 = 12313241396 and 12313241405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313244431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15240 + ... + 157666.

It is an arithmetic number, because the mean of its divisors is an integer number (3078367578).

Almost surely, 2^12313241431 is an apocalyptic number.

12313241431 is a deficient number, since it is larger than the sum of its proper divisors (228881).

12313241431 is an equidigital number, since it uses as much as digits as its factorization.

12313241431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228880.

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

Adding to 12313241431 its reverse (13414231321), we get a palindrome (25727472752).

The spelling of 12313241431 in words is "twelve billion, three hundred thirteen million, two hundred forty-one thousand, four hundred thirty-one".