242051531543 has 2 divisors, whose sum is σ = 242051531544. Its totient is φ = 242051531542.

The previous prime is 242051531503. The next prime is 242051531563. The reversal of 242051531543 is 345135150242.

242051531543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242051531543 - 2¹⁰ = 242051530519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242051531503) 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 as a sum of consecutive naturals, namely, 121025765771 + 121025765772.

It is an arithmetic number, because the mean of its divisors is an integer number (121025765772).

Almost surely, 2^242051531543 is an apocalyptic number.

242051531543 is a deficient number, since it is larger than the sum of its proper divisors (1).

242051531543 is an equidigital number, since it uses as much as digits as its factorization.

242051531543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 242051531543 its reverse (345135150242), we get a palindrome (587186681785).

The spelling of 242051531543 in words is "two hundred forty-two billion, fifty-one million, five hundred thirty-one thousand, five hundred forty-three".