343340231 has 6 divisors (see below), whose sum is σ = 371782800. Its totient is φ = 316929288.

The previous prime is 343340219. The next prime is 343340233. The reversal of 343340231 is 132043343.

It is not a de Polignac number, because 343340231 - 2¹⁴ = 343323847 is a prime.

It is a super-2 number, since 2×343340231² = 235765028446266722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343340197 and 343340206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343340233) 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 5 ways as a sum of consecutive naturals, for example, 1015631 + ... + 1015968.

It is an arithmetic number, because the mean of its divisors is an integer number (61963800).

Almost surely, 2^343340231 is an apocalyptic number.

343340231 is a deficient number, since it is larger than the sum of its proper divisors (28442569).

343340231 is a wasteful number, since it uses less digits than its factorization.

343340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031625 (or 2031612 counting only the distinct ones).

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

The square root of 343340231 is about 18529.4422743913. The cubic root of 343340231 is about 700.2313731749.

Adding to 343340231 its reverse (132043343), we get a palindrome (475383574).

The spelling of 343340231 in words is "three hundred forty-three million, three hundred forty thousand, two hundred thirty-one".