12431322431002 has 8 divisors (see below), whose sum is σ = 19101788125812. Its totient is φ = 6064059722400.

The previous prime is 12431322430973. The next prime is 12431322431009. The reversal of 12431322431002 is 20013422313421.

It can be written as a sum of positive squares in 2 ways, for example, as 11895939004401 + 535383426601 = 3449049^2 + 731699^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12431322431009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75800746449 + ... + 75800746612.

Almost surely, 2^{12431322431002} is an apocalyptic number.

12431322431002 is a deficient number, since it is larger than the sum of its proper divisors (6670465694810).

12431322431002 is a wasteful number, since it uses less digits than its factorization.

12431322431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151601493104.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12431322431002 its reverse (20013422313421), we get a palindrome (32444744744423).

The spelling of 12431322431002 in words is "twelve trillion, four hundred thirty-one billion, three hundred twenty-two million, four hundred thirty-one thousand, two".