213303021343 has 2 divisors, whose sum is σ = 213303021344. Its totient is φ = 213303021342.

The previous prime is 213303021307. The next prime is 213303021427. The reversal of 213303021343 is 343120303312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213303021343 - 2¹³ = 213303013151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213303022343) 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, 106651510671 + 106651510672.

It is an arithmetic number, because the mean of its divisors is an integer number (106651510672).

Almost surely, 2^213303021343 is an apocalyptic number.

213303021343 is a deficient number, since it is larger than the sum of its proper divisors (1).

213303021343 is an equidigital number, since it uses as much as digits as its factorization.

213303021343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213303021343 its reverse (343120303312), we get a palindrome (556423324655).

The spelling of 213303021343 in words is "two hundred thirteen billion, three hundred three million, twenty-one thousand, three hundred forty-three".