343315349 has 4 divisors (see below), whose sum is σ = 369724236. Its totient is φ = 316906464.

The previous prime is 343315339. The next prime is 343315367. The reversal of 343315349 is 943513343.

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

It can be written as a sum of positive squares in 2 ways, for example, as 169260100 + 174055249 = 13010^2 + 13193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343315349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343315339) 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, 13204424 + ... + 13204449.

It is an arithmetic number, because the mean of its divisors is an integer number (92431059).

Almost surely, 2^343315349 is an apocalyptic number.

It is an amenable number.

343315349 is a deficient number, since it is larger than the sum of its proper divisors (26408887).

343315349 is a wasteful number, since it uses less digits than its factorization.

343315349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26408886.

The product of its digits is 58320, while the sum is 35.

The square root of 343315349 is about 18528.7708442843. The cubic root of 343315349 is about 700.2144574197.

The spelling of 343315349 in words is "three hundred forty-three million, three hundred fifteen thousand, three hundred forty-nine".