210213343 has 2 divisors, whose sum is σ = 210213344. Its totient is φ = 210213342.

The previous prime is 210213337. The next prime is 210213349. The reversal of 210213343 is 343312012.

It is a balanced prime because it is at equal distance from previous prime (210213337) and next prime (210213349).

It is a cyclic number.

It is not a de Polignac number, because 210213343 - 2⁹ = 210212831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210213343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210213349) 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, 105106671 + 105106672.

It is an arithmetic number, because the mean of its divisors is an integer number (105106672).

Almost surely, 2^210213343 is an apocalyptic number.

210213343 is a deficient number, since it is larger than the sum of its proper divisors (1).

210213343 is an equidigital number, since it uses as much as digits as its factorization.

210213343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 210213343 is about 14498.7359104165. The cubic root of 210213343 is about 594.5934119361.

Adding to 210213343 its reverse (343312012), we get a palindrome (553525355).

The spelling of 210213343 in words is "two hundred ten million, two hundred thirteen thousand, three hundred forty-three".