343043331 has 4 divisors (see below), whose sum is σ = 457391112. Its totient is φ = 228695552.

The previous prime is 343043237. The next prime is 343043339. The reversal of 343043331 is 133340343.

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 343043331 - 2⁷ = 343043203 is a prime.

It is a super-2 number, since 2×343043331² = 235357453887151122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343043339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57173886 + ... + 57173891.

It is an arithmetic number, because the mean of its divisors is an integer number (114347778).

Almost surely, 2^343043331 is an apocalyptic number.

343043331 is a deficient number, since it is larger than the sum of its proper divisors (114347781).

343043331 is a wasteful number, since it uses less digits than its factorization.

343043331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114347780.

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 343043331 is about 18521.4289675500. The cubic root of 343043331 is about 700.0294756296.

Adding to 343043331 its reverse (133340343), we get a palindrome (476383674).

The spelling of 343043331 in words is "three hundred forty-three million, forty-three thousand, three hundred thirty-one".