242341321 has 2 divisors, whose sum is σ = 242341322. Its totient is φ = 242341320.

The previous prime is 242341303. The next prime is 242341331. The reversal of 242341321 is 123143242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234855625 + 7485696 = 15325^2 + 2736^2 .

It is a cyclic number.

It is not a de Polignac number, because 242341321 - 2¹⁹ = 241817033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242341292 and 242341301.

It is not a weakly prime, because it can be changed into another prime (242341331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121170660 + 121170661.

It is an arithmetic number, because the mean of its divisors is an integer number (121170661).

Almost surely, 2^242341321 is an apocalyptic number.

It is an amenable number.

242341321 is a deficient number, since it is larger than the sum of its proper divisors (1).

242341321 is an equidigital number, since it uses as much as digits as its factorization.

242341321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 242341321 is about 15567.3157930325. The cubic root of 242341321 is about 623.4608064448.

Adding to 242341321 its reverse (123143242), we get a palindrome (365484563).

The spelling of 242341321 in words is "two hundred forty-two million, three hundred forty-one thousand, three hundred twenty-one".