343146091 has 2 divisors, whose sum is σ = 343146092. Its totient is φ = 343146090.

The previous prime is 343146079. The next prime is 343146109. The reversal of 343146091 is 190641343.

Together with next prime (343146109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (190641343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343146091 - 2⁷ = 343145963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343146031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171573045 + 171573046.

It is an arithmetic number, because the mean of its divisors is an integer number (171573046).

Almost surely, 2^343146091 is an apocalyptic number.

343146091 is a deficient number, since it is larger than the sum of its proper divisors (1).

343146091 is an equidigital number, since it uses as much as digits as its factorization.

343146091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 343146091 is about 18524.2028438473. The cubic root of 343146091 is about 700.0993675264.

The spelling of 343146091 in words is "three hundred forty-three million, one hundred forty-six thousand, ninety-one".