242231322421 has 8 divisors (see below), whose sum is σ = 275741584704. Its totient is φ = 210635932320.

The previous prime is 242231322401. The next prime is 242231322439. The reversal of 242231322421 is 124223132242.

242231322421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242231322421 - 2⁹ = 242231321909 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 242231322421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242231322401) 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 in 7 ways as a sum of consecutive naturals, for example, 478717776 + ... + 478718281.

It is an arithmetic number, because the mean of its divisors is an integer number (34467698088).

Almost surely, 2^242231322421 is an apocalyptic number.

It is an amenable number.

242231322421 is a deficient number, since it is larger than the sum of its proper divisors (33510262283).

242231322421 is a wasteful number, since it uses less digits than its factorization.

242231322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957436091.

The product of its digits is 9216, while the sum is 28.

Adding to 242231322421 its reverse (124223132242), we get a palindrome (366454454663).

The spelling of 242231322421 in words is "two hundred forty-two billion, two hundred thirty-one million, three hundred twenty-two thousand, four hundred twenty-one".