242431110913 has 2 divisors, whose sum is σ = 242431110914. Its totient is φ = 242431110912.

The previous prime is 242431110853. The next prime is 242431110917. The reversal of 242431110913 is 319011134242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178010579569 + 64420531344 = 421913^2 + 253812^2 .

It is a cyclic number.

It is not a de Polignac number, because 242431110913 - 2³⁷ = 104992157441 is a prime.

It is a super-2 number, since 2×242431110913² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242431110917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121215555456 + 121215555457.

It is an arithmetic number, because the mean of its divisors is an integer number (121215555457).

Almost surely, 2^242431110913 is an apocalyptic number.

It is an amenable number.

242431110913 is a deficient number, since it is larger than the sum of its proper divisors (1).

242431110913 is an equidigital number, since it uses as much as digits as its factorization.

242431110913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 242431110913 in words is "two hundred forty-two billion, four hundred thirty-one million, one hundred ten thousand, nine hundred thirteen".