242311043213 has 2 divisors, whose sum is σ = 242311043214. Its totient is φ = 242311043212.

The previous prime is 242311043203. The next prime is 242311043231. The reversal of 242311043213 is 312340113242.

242311043213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (242311043231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242239183684 + 71859529 = 492178^2 + 8477^2 .

It is a cyclic number.

It is not a de Polignac number, because 242311043213 - 2⁸ = 242311042957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242311043203) 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 as a sum of consecutive naturals, namely, 121155521606 + 121155521607.

It is an arithmetic number, because the mean of its divisors is an integer number (121155521607).

Almost surely, 2^242311043213 is an apocalyptic number.

It is an amenable number.

242311043213 is a deficient number, since it is larger than the sum of its proper divisors (1).

242311043213 is an equidigital number, since it uses as much as digits as its factorization.

242311043213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 242311043213 its reverse (312340113242), we get a palindrome (554651156455).

The spelling of 242311043213 in words is "two hundred forty-two billion, three hundred eleven million, forty-three thousand, two hundred thirteen".