242305306319 has 2 divisors, whose sum is σ = 242305306320. Its totient is φ = 242305306318.

The previous prime is 242305306261. The next prime is 242305306343. The reversal of 242305306319 is 913603503242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242305306319 - 2⁸ = 242305306063 is a prime.

It is a super-2 number, since 2×242305306319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242305306619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121152653159 + 121152653160.

It is an arithmetic number, because the mean of its divisors is an integer number (121152653160).

Almost surely, 2^242305306319 is an apocalyptic number.

242305306319 is a deficient number, since it is larger than the sum of its proper divisors (1).

242305306319 is an equidigital number, since it uses as much as digits as its factorization.

242305306319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 242305306319 in words is "two hundred forty-two billion, three hundred five million, three hundred six thousand, three hundred nineteen".