142431342103 has 4 divisors (see below), whose sum is σ = 143177056128. Its totient is φ = 141685628080.

The previous prime is 142431342083. The next prime is 142431342143. The reversal of 142431342103 is 301243134241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142431342103 - 2³⁷ = 4992388631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142431342143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372856726 + ... + 372857107.

It is an arithmetic number, because the mean of its divisors is an integer number (35794264032).

Almost surely, 2^142431342103 is an apocalyptic number.

142431342103 is a deficient number, since it is larger than the sum of its proper divisors (745714025).

142431342103 is an equidigital number, since it uses as much as digits as its factorization.

142431342103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745714024.

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

Adding to 142431342103 its reverse (301243134241), we get a palindrome (443674476344).

The spelling of 142431342103 in words is "one hundred forty-two billion, four hundred thirty-one million, three hundred forty-two thousand, one hundred three".