242021434131203 has 16 divisors (see below), whose sum is σ = 247257678729600. Its totient is φ = 236839571404800.

The previous prime is 242021434131143. The next prime is 242021434131241. The reversal of 242021434131203 is 302131434120242.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 242021434131203 - 2¹⁶ = 242021434065667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242021434131203.

It is not an unprimeable number, because it can be changed into a prime (242021434131703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723821483 + ... + 724155771.

It is an arithmetic number, because the mean of its divisors is an integer number (15453604920600).

Almost surely, 2^{242021434131203} is an apocalyptic number.

242021434131203 is a deficient number, since it is larger than the sum of its proper divisors (5236244598397).

242021434131203 is a wasteful number, since it uses less digits than its factorization.

242021434131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415582.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 242021434131203 its reverse (302131434120242), we get a palindrome (544152868251445).

The spelling of 242021434131203 in words is "two hundred forty-two trillion, twenty-one billion, four hundred thirty-four million, one hundred thirty-one thousand, two hundred three".