343303217 has 4 divisors (see below), whose sum is σ = 343931376. Its totient is φ = 342675060.

The previous prime is 343303201. The next prime is 343303277. The reversal of 343303217 is 712303343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343303217 - 2⁴ = 343303201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343303277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313259 + ... + 314352.

It is an arithmetic number, because the mean of its divisors is an integer number (85982844).

Almost surely, 2^343303217 is an apocalyptic number.

It is an amenable number.

343303217 is a deficient number, since it is larger than the sum of its proper divisors (628159).

343303217 is an equidigital number, since it uses as much as digits as its factorization.

343303217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628158.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 343303217 is about 18528.4434586395. The cubic root of 343303217 is about 700.2062093159.

The spelling of 343303217 in words is "three hundred forty-three million, three hundred three thousand, two hundred seventeen".