343011231 has 6 divisors (see below), whose sum is σ = 495460680. Its totient is φ = 228674148.

The previous prime is 343011209. The next prime is 343011233. The reversal of 343011231 is 132110343.

343011231 is a `hidden beast` number, since 3 + 430 + 1 + 1 + 231 = 666.

It is not a de Polignac number, because 343011231 - 2²² = 338816927 is a prime.

It is a super-2 number, since 2×343011231² = 235313409184270722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343011233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19056171 + ... + 19056188.

It is an arithmetic number, because the mean of its divisors is an integer number (82576780).

Almost surely, 2^343011231 is an apocalyptic number.

343011231 is a deficient number, since it is larger than the sum of its proper divisors (152449449).

343011231 is a wasteful number, since it uses less digits than its factorization.

343011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38112365 (or 38112362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 343011231 is about 18520.5623834699. The cubic root of 343011231 is about 700.0076400527.

Adding to 343011231 its reverse (132110343), we get a palindrome (475121574).

The spelling of 343011231 in words is "three hundred forty-three million, eleven thousand, two hundred thirty-one".