343130243 has 4 divisors (see below), whose sum is σ = 343174128. Its totient is φ = 343086360.

The previous prime is 343130237. The next prime is 343130311. The reversal of 343130243 is 342031343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343130243 is a prime.

It is a super-2 number, since 2×343130243² = 235476727322478098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343130143) 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, 6671 + ... + 27032.

It is an arithmetic number, because the mean of its divisors is an integer number (85793532).

Almost surely, 2^343130243 is an apocalyptic number.

343130243 is a deficient number, since it is larger than the sum of its proper divisors (43885).

343130243 is a wasteful number, since it uses less digits than its factorization.

343130243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43884.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 343130243 is about 18523.7750742121. The cubic root of 343130243 is about 700.0885894682.

Adding to 343130243 its reverse (342031343), we get a palindrome (685161586).

The spelling of 343130243 in words is "three hundred forty-three million, one hundred thirty thousand, two hundred forty-three".