343000303 has 2 divisors, whose sum is σ = 343000304. Its totient is φ = 343000302.

The previous prime is 343000277. The next prime is 343000309. The reversal of 343000303 is 303000343.

It is a strong prime.

It is an emirp because it is prime and its reverse (303000343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343000303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343000309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171500151 + 171500152.

It is an arithmetic number, because the mean of its divisors is an integer number (171500152).

Almost surely, 2^343000303 is an apocalyptic number.

343000303 is a deficient number, since it is larger than the sum of its proper divisors (1).

343000303 is an equidigital number, since it uses as much as digits as its factorization.

343000303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 343000303 is about 18520.2673576814. The cubic root of 343000303 is about 700.0002061224. Note that the first 3 decimals are identical.

Adding to 343000303 its reverse (303000343), we get a palindrome (646000646).

The spelling of 343000303 in words is "three hundred forty-three million, three hundred three", and thus it is an aban number.