343331 has 4 divisors (see below), whose sum is σ = 355200. Its totient is φ = 331464.

The previous prime is 343327. The next prime is 343333. The reversal of 343331 is 133343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343331 - 2² = 343327 is a prime.

It is a super-2 number, since 2×343331² = 235752351122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343333) 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, 5891 + ... + 5948.

It is an arithmetic number, because the mean of its divisors is an integer number (88800).

2³⁴³³³¹ is an apocalyptic number.

343331 is a deficient number, since it is larger than the sum of its proper divisors (11869).

343331 is a wasteful number, since it uses less digits than its factorization.

343331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11868.

The product of its digits is 324, while the sum is 17.

The square root of 343331 is about 585.9445366244. The cubic root of 343331 is about 70.0225097676.

Adding to 343331 its reverse (133343), we get a palindrome (476674).

It can be divided in two parts, 3 and 43331, that added together give a palindrome (43334).

The spelling of 343331 in words is "three hundred forty-three thousand, three hundred thirty-one".