142111031230443 has 24 divisors (see below), whose sum is σ = 219234648740800. Its totient is φ = 81594850463280.

The previous prime is 142111031230361. The next prime is 142111031230459. The reversal of 142111031230443 is 344032130111241.

It is not a de Polignac number, because 142111031230443 - 2²¹ = 142111029133291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142111031230443.

It is not an unprimeable number, because it can be changed into a prime (142111031230843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10302373213 + ... + 10302387006.

Almost surely, 2^{142111031230443} is an apocalyptic number.

142111031230443 is a deficient number, since it is larger than the sum of its proper divisors (77123617510357).

142111031230443 is a wasteful number, since it uses less digits than its factorization.

142111031230443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20604760263 (or 20604760252 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 142111031230443 its reverse (344032130111241), we get a palindrome (486143161341684).

The spelling of 142111031230443 in words is "one hundred forty-two trillion, one hundred eleven billion, thirty-one million, two hundred thirty thousand, four hundred forty-three".