242513231053 has 2 divisors, whose sum is σ = 242513231054. Its totient is φ = 242513231052.

The previous prime is 242513231039. The next prime is 242513231057. The reversal of 242513231053 is 350132315242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179418322084 + 63094908969 = 423578^2 + 251187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242513231053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242513231057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121256615526 + 121256615527.

It is an arithmetic number, because the mean of its divisors is an integer number (121256615527).

Almost surely, 2^242513231053 is an apocalyptic number.

It is an amenable number.

242513231053 is a deficient number, since it is larger than the sum of its proper divisors (1).

242513231053 is an equidigital number, since it uses as much as digits as its factorization.

242513231053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 242513231053 its reverse (350132315242), we get a palindrome (592645546295).

The spelling of 242513231053 in words is "two hundred forty-two billion, five hundred thirteen million, two hundred thirty-one thousand, fifty-three".