213114442243 has 2 divisors, whose sum is σ = 213114442244. Its totient is φ = 213114442242.

The previous prime is 213114442223. The next prime is 213114442397. The reversal of 213114442243 is 342244411312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213114442243 - 2²¹ = 213112345091 is a prime.

It is not a weakly prime, because it can be changed into another prime (213114442223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106557221121 + 106557221122.

It is an arithmetic number, because the mean of its divisors is an integer number (106557221122).

Almost surely, 2^213114442243 is an apocalyptic number.

213114442243 is a deficient number, since it is larger than the sum of its proper divisors (1).

213114442243 is an equidigital number, since it uses as much as digits as its factorization.

213114442243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 31.

Adding to 213114442243 its reverse (342244411312), we get a palindrome (555358853555).

The spelling of 213114442243 in words is "two hundred thirteen billion, one hundred fourteen million, four hundred forty-two thousand, two hundred forty-three".