343433231 has 4 divisors (see below), whose sum is σ = 343526352. Its totient is φ = 343340112.

The previous prime is 343433203. The next prime is 343433239. The reversal of 343433231 is 132334343.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343433231 is a prime.

It is a super-2 number, since 2×343433231² = 235892768310198722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343433231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343433239) 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, 40790 + ... + 48483.

It is an arithmetic number, because the mean of its divisors is an integer number (85881588).

Almost surely, 2^343433231 is an apocalyptic number.

343433231 is a deficient number, since it is larger than the sum of its proper divisors (93121).

343433231 is an equidigital number, since it uses as much as digits as its factorization.

343433231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93120.

The product of its digits is 7776, while the sum is 26.

The square root of 343433231 is about 18531.9516241544. The cubic root of 343433231 is about 700.2945909717.

Adding to 343433231 its reverse (132334343), we get a palindrome (475767574).

The spelling of 343433231 in words is "three hundred forty-three million, four hundred thirty-three thousand, two hundred thirty-one".