343344231 has 16 divisors (see below), whose sum is σ = 535430400. Its totient is φ = 216848664.

The previous prime is 343344227. The next prime is 343344233. The reversal of 343344231 is 132443343.

It is not a de Polignac number, because 343344231 - 2² = 343344227 is a prime.

It is a super-2 number, since 2×343344231² = 235770521921962722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 343344195 and 343344204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343344233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334131 + ... + 335156.

It is an arithmetic number, because the mean of its divisors is an integer number (33464400).

Almost surely, 2^343344231 is an apocalyptic number.

343344231 is a deficient number, since it is larger than the sum of its proper divisors (192086169).

343344231 is a wasteful number, since it uses less digits than its factorization.

343344231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669315 (or 669309 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 343344231 is about 18529.5502104072. The cubic root of 343344231 is about 700.2340924549.

Adding to 343344231 its reverse (132443343), we get a palindrome (475787574).

The spelling of 343344231 in words is "three hundred forty-three million, three hundred forty-four thousand, two hundred thirty-one".