343012003 has 2 divisors, whose sum is σ = 343012004. Its totient is φ = 343012002.

The previous prime is 343011983. The next prime is 343012013. The reversal of 343012003 is 300210343.

It is a strong prime.

It is an emirp because it is prime and its reverse (300210343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343012003 is a prime.

It is not a weakly prime, because it can be changed into another prime (343012013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171506001 + 171506002.

It is an arithmetic number, because the mean of its divisors is an integer number (171506002).

Almost surely, 2^343012003 is an apocalyptic number.

343012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

343012003 is an equidigital number, since it uses as much as digits as its factorization.

343012003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 343012003 is about 18520.5832251579. The cubic root of 343012003 is about 700.0081652109.

Adding to 343012003 its reverse (300210343), we get a palindrome (643222346).

The spelling of 343012003 in words is "three hundred forty-three million, twelve thousand, three".