242513241013 has 2 divisors, whose sum is σ = 242513241014. Its totient is φ = 242513241012.

The previous prime is 242513241007. The next prime is 242513241017. The reversal of 242513241013 is 310142315242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161585508529 + 80927732484 = 401977^2 + 284478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242513241013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242513241017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121256620506 + 121256620507.

It is an arithmetic number, because the mean of its divisors is an integer number (121256620507).

Almost surely, 2^242513241013 is an apocalyptic number.

It is an amenable number.

242513241013 is a deficient number, since it is larger than the sum of its proper divisors (1).

242513241013 is an equidigital number, since it uses as much as digits as its factorization.

242513241013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 242513241013 its reverse (310142315242), we get a palindrome (552655556255).

The spelling of 242513241013 in words is "two hundred forty-two billion, five hundred thirteen million, two hundred forty-one thousand, thirteen".