213313212303187 has 2 divisors, whose sum is σ = 213313212303188. Its totient is φ = 213313212303186.

The previous prime is 213313212303181. The next prime is 213313212303209. The reversal of 213313212303187 is 781303212313312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213313212303187 - 2³ = 213313212303179 is a prime.

It is not a weakly prime, because it can be changed into another prime (213313212303181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106656606151593 + 106656606151594.

It is an arithmetic number, because the mean of its divisors is an integer number (106656606151594).

Almost surely, 2^{213313212303187} is an apocalyptic number.

213313212303187 is a deficient number, since it is larger than the sum of its proper divisors (1).

213313212303187 is an equidigital number, since it uses as much as digits as its factorization.

213313212303187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

Adding to 213313212303187 its reverse (781303212313312), we get a palindrome (994616424616499).

The spelling of 213313212303187 in words is "two hundred thirteen trillion, three hundred thirteen billion, two hundred twelve million, three hundred three thousand, one hundred eighty-seven".