12431204334 has 12 divisors (see below), whose sum is σ = 26934276096. Its totient is φ = 4143734772.

The previous prime is 12431204329. The next prime is 12431204339. The reversal of 12431204334 is 43340213421.

12431204334 is a `hidden beast` number, since 12 + 4 + 312 + 0 + 4 + 334 = 666.

It is an interprime number because it is at equal distance from previous prime (12431204329) and next prime (12431204339).

It is a junction number, because it is equal to n+sod(n) for n = 12431204298 and 12431204307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431204339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345311214 + ... + 345311249.

It is an arithmetic number, because the mean of its divisors is an integer number (2244523008).

Almost surely, 2^12431204334 is an apocalyptic number.

12431204334 is an abundant number, since it is smaller than the sum of its proper divisors (14503071762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12431204334 is a wasteful number, since it uses less digits than its factorization.

12431204334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690622471 (or 690622468 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12431204334 its reverse (43340213421), we get a palindrome (55771417755).

The spelling of 12431204334 in words is "twelve billion, four hundred thirty-one million, two hundred four thousand, three hundred thirty-four".