242042104140321 has 4 divisors (see below), whose sum is σ = 322722805520432. Its totient is φ = 161361402760212.

The previous prime is 242042104140299. The next prime is 242042104140329. The reversal of 242042104140321 is 123041401240242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242042104140321 - 2⁵ = 242042104140289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242042104140329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40340350690051 + ... + 40340350690056.

It is an arithmetic number, because the mean of its divisors is an integer number (80680701380108).

Almost surely, 2^{242042104140321} is an apocalyptic number.

It is an amenable number.

242042104140321 is a deficient number, since it is larger than the sum of its proper divisors (80680701380111).

242042104140321 is an equidigital number, since it uses as much as digits as its factorization.

242042104140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80680701380110.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 242042104140321 its reverse (123041401240242), we get a palindrome (365083505380563).

The spelling of 242042104140321 in words is "two hundred forty-two trillion, forty-two billion, one hundred four million, one hundred forty thousand, three hundred twenty-one".