242320141321 has 2 divisors, whose sum is σ = 242320141322. Its totient is φ = 242320141320.

The previous prime is 242320141267. The next prime is 242320141361. The reversal of 242320141321 is 123141023242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241140905721 + 1179235600 = 491061^2 + 34340^2 .

It is a cyclic number.

It is not a de Polignac number, because 242320141321 - 2⁹ = 242320140809 is a prime.

It is not a weakly prime, because it can be changed into another prime (242320141361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121160070660 + 121160070661.

It is an arithmetic number, because the mean of its divisors is an integer number (121160070661).

Almost surely, 2^242320141321 is an apocalyptic number.

It is an amenable number.

242320141321 is a deficient number, since it is larger than the sum of its proper divisors (1).

242320141321 is an equidigital number, since it uses as much as digits as its factorization.

242320141321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 242320141321 its reverse (123141023242), we get a palindrome (365461164563).

The spelling of 242320141321 in words is "two hundred forty-two billion, three hundred twenty million, one hundred forty-one thousand, three hundred twenty-one".