213242303242327 has 2 divisors, whose sum is σ = 213242303242328. Its totient is φ = 213242303242326.

The previous prime is 213242303242291. The next prime is 213242303242343. The reversal of 213242303242327 is 723242303242312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213242303242327 is a prime.

It is a super-6 number, since 6×213242303242327⁶ (a number of 87 digits) contains 666666 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213242303242327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213242303242127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106621151621163 + 106621151621164.

It is an arithmetic number, because the mean of its divisors is an integer number (106621151621164).

Almost surely, 2^{213242303242327} is an apocalyptic number.

213242303242327 is a deficient number, since it is larger than the sum of its proper divisors (1).

213242303242327 is an equidigital number, since it uses as much as digits as its factorization.

213242303242327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 40.

Adding to 213242303242327 its reverse (723242303242312), we get a palindrome (936484606484639).

The spelling of 213242303242327 in words is "two hundred thirteen trillion, two hundred forty-two billion, three hundred three million, two hundred forty-two thousand, three hundred twenty-seven".