12431032142 has 16 divisors (see below), whose sum is σ = 18907119792. Its totient is φ = 6129217920.

The previous prime is 12431032139. The next prime is 12431032151. The reversal of 12431032142 is 24123013421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95084 + ... + 184127.

It is an arithmetic number, because the mean of its divisors is an integer number (1181694987).

Almost surely, 2^12431032142 is an apocalyptic number.

12431032142 is a deficient number, since it is larger than the sum of its proper divisors (6476087650).

12431032142 is a wasteful number, since it uses less digits than its factorization.

12431032142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279523.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12431032142 its reverse (24123013421), we get a palindrome (36554045563).

The spelling of 12431032142 in words is "twelve billion, four hundred thirty-one million, thirty-two thousand, one hundred forty-two".