12310031431 has 2 divisors, whose sum is σ = 12310031432. Its totient is φ = 12310031430.

The previous prime is 12310031417. The next prime is 12310031441. The reversal of 12310031431 is 13413001321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12310031431 - 2²³ = 12301642823 is a prime.

It is a super-2 number, since 2×12310031431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310031399 and 12310031408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310031401) by changing a digit.

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 as a sum of consecutive naturals, namely, 6155015715 + 6155015716.

It is an arithmetic number, because the mean of its divisors is an integer number (6155015716).

Almost surely, 2^12310031431 is an apocalyptic number.

12310031431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310031431 is an equidigital number, since it uses as much as digits as its factorization.

12310031431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12310031431 its reverse (13413001321), we get a palindrome (25723032752).

The spelling of 12310031431 in words is "twelve billion, three hundred ten million, thirty-one thousand, four hundred thirty-one".