12431442351 has 32 divisors (see below), whose sum is σ = 17163417600. Its totient is φ = 7998393600.

The previous prime is 12431442349. The next prime is 12431442391. The reversal of 12431442351 is 15324413421.

It is not a de Polignac number, because 12431442351 - 2¹ = 12431442349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431442391) 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 in 31 ways as a sum of consecutive naturals, for example, 4965366 + ... + 4967868.

It is an arithmetic number, because the mean of its divisors is an integer number (536356800).

Almost surely, 2^12431442351 is an apocalyptic number.

12431442351 is a deficient number, since it is larger than the sum of its proper divisors (4731975249).

12431442351 is a wasteful number, since it uses less digits than its factorization.

12431442351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967.

The product of its digits is 11520, while the sum is 30.

Adding to 12431442351 its reverse (15324413421), we get a palindrome (27755855772).

The spelling of 12431442351 in words is "twelve billion, four hundred thirty-one million, four hundred forty-two thousand, three hundred fifty-one".