12431423331 has 12 divisors (see below), whose sum is σ = 18183798880. Its totient is φ = 8182708560.

The previous prime is 12431423317. The next prime is 12431423351. The reversal of 12431423331 is 13332413421.

It is a happy number.

12431423331 is a `hidden beast` number, since 12 + 4 + 314 + 2 + 3 + 331 = 666.

It is not a de Polignac number, because 12431423331 - 2¹⁴ = 12431406947 is a prime.

It is a super-2 number, since 2×12431423331² (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 = 12431423295 and 12431423304.

It is not an unprimeable number, because it can be changed into a prime (12431423311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8741500 + ... + 8742921.

Almost surely, 2^12431423331 is an apocalyptic number.

12431423331 is a deficient number, since it is larger than the sum of its proper divisors (5752375549).

12431423331 is a wasteful number, since it uses less digits than its factorization.

12431423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17484506 (or 17484503 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 12431423331 its reverse (13332413421), we get a palindrome (25763836752).

The spelling of 12431423331 in words is "twelve billion, four hundred thirty-one million, four hundred twenty-three thousand, three hundred thirty-one".