343081 has 2 divisors, whose sum is σ = 343082. Its totient is φ = 343080.

The previous prime is 343073. The next prime is 343087. The reversal of 343081 is 180343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341056 + 2025 = 584^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 343081 - 2³ = 343073 is a prime.

It is a super-2 number, since 2×343081² = 235409145122, which contains 22 as substring.

343081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (343087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171540 + 171541.

It is an arithmetic number, because the mean of its divisors is an integer number (171541).

2³⁴³⁰⁸¹ is an apocalyptic number.

It is an amenable number.

343081 is a deficient number, since it is larger than the sum of its proper divisors (1).

343081 is an equidigital number, since it uses as much as digits as its factorization.

343081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 343081 is about 585.7311670041. The cubic root of 343081 is about 70.0055097704.

The spelling of 343081 in words is "three hundred forty-three thousand, eighty-one".