343400201 has 2 divisors, whose sum is σ = 343400202. Its totient is φ = 343400200.

The previous prime is 343400159. The next prime is 343400203. The reversal of 343400201 is 102004343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253605625 + 89794576 = 15925^2 + 9476^2 .

It is a cyclic number.

It is not a de Polignac number, because 343400201 - 2⁶ = 343400137 is a prime.

Together with 343400203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343400201.

It is not a weakly prime, because it can be changed into another prime (343400203) 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, 171700100 + 171700101.

It is an arithmetic number, because the mean of its divisors is an integer number (171700101).

Almost surely, 2^343400201 is an apocalyptic number.

It is an amenable number.

343400201 is a deficient number, since it is larger than the sum of its proper divisors (1).

343400201 is an equidigital number, since it uses as much as digits as its factorization.

343400201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 343400201 is about 18531.0604391654. The cubic root of 343400201 is about 700.2721397644.

Adding to 343400201 its reverse (102004343), we get a palindrome (445404544).

The spelling of 343400201 in words is "three hundred forty-three million, four hundred thousand, two hundred one".