343311303 has 4 divisors (see below), whose sum is σ = 457748408. Its totient is φ = 228874200.

The previous prime is 343311281. The next prime is 343311313. The reversal of 343311303 is 303113343.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 343311303 - 2⁸ = 343311047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343311303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343311313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57218548 + ... + 57218553.

It is an arithmetic number, because the mean of its divisors is an integer number (114437102).

Almost surely, 2^343311303 is an apocalyptic number.

343311303 is a deficient number, since it is larger than the sum of its proper divisors (114437105).

343311303 is a wasteful number, since it uses less digits than its factorization.

343311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114437104.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 343311303 is about 18528.6616624083. The cubic root of 343311303 is about 700.2117067137.

Adding to 343311303 its reverse (303113343), we get a palindrome (646424646).

The spelling of 343311303 in words is "three hundred forty-three million, three hundred eleven thousand, three hundred three".