341331509 has 2 divisors, whose sum is σ = 341331510. Its totient is φ = 341331508.

The previous prime is 341331499. The next prime is 341331511. The reversal of 341331509 is 905133143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281501284 + 59830225 = 16778^2 + 7735^2 .

It is a cyclic number.

It is not a de Polignac number, because 341331509 - 2⁴ = 341331493 is a prime.

Together with 341331511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341331709) 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 as a sum of consecutive naturals, namely, 170665754 + 170665755.

It is an arithmetic number, because the mean of its divisors is an integer number (170665755).

Almost surely, 2^341331509 is an apocalyptic number.

It is an amenable number.

341331509 is a deficient number, since it is larger than the sum of its proper divisors (1).

341331509 is an equidigital number, since it uses as much as digits as its factorization.

341331509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 341331509 is about 18475.1592415329. The cubic root of 341331509 is about 698.8631267072.

The spelling of 341331509 in words is "three hundred forty-one million, three hundred thirty-one thousand, five hundred nine".