242224321331 has 2 divisors, whose sum is σ = 242224321332. Its totient is φ = 242224321330.

The previous prime is 242224321189. The next prime is 242224321333. The reversal of 242224321331 is 133123422242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242224321331 - 2¹⁴ = 242224304947 is a prime.

It is a super-2 number, since 2×242224321331² (a number of 24 digits) contains 22 as substring.

Together with 242224321333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 242224321294 and 242224321303.

It is not a weakly prime, because it can be changed into another prime (242224321333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121112160665 + 121112160666.

It is an arithmetic number, because the mean of its divisors is an integer number (121112160666).

Almost surely, 2^242224321331 is an apocalyptic number.

242224321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

242224321331 is an equidigital number, since it uses as much as digits as its factorization.

242224321331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

Adding to 242224321331 its reverse (133123422242), we get a palindrome (375347743573).

The spelling of 242224321331 in words is "two hundred forty-two billion, two hundred twenty-four million, three hundred twenty-one thousand, three hundred thirty-one".