343055311 has 4 divisors (see below), whose sum is σ = 343729800. Its totient is φ = 342380824.

The previous prime is 343055299. The next prime is 343055329. The reversal of 343055311 is 113550343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113550343 = 631 ⋅179953.

It is a cyclic number.

It is not a de Polignac number, because 343055311 - 2⁷ = 343055183 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 (343055381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336481 + ... + 337498.

It is an arithmetic number, because the mean of its divisors is an integer number (85932450).

Almost surely, 2^343055311 is an apocalyptic number.

343055311 is a deficient number, since it is larger than the sum of its proper divisors (674489).

343055311 is an equidigital number, since it uses as much as digits as its factorization.

343055311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674488.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 343055311 is about 18521.7523738981. The cubic root of 343055311 is about 700.0376245083.

The spelling of 343055311 in words is "three hundred forty-three million, fifty-five thousand, three hundred eleven".