341315809 has 2 divisors, whose sum is σ = 341315810. Its totient is φ = 341315808.

The previous prime is 341315773. The next prime is 341315827. The reversal of 341315809 is 908513143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303456400 + 37859409 = 17420^2 + 6153^2 .

It is an emirp because it is prime and its reverse (908513143) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341315809 is a prime.

It is not a weakly prime, because it can be changed into another prime (341315839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170657904 + 170657905.

It is an arithmetic number, because the mean of its divisors is an integer number (170657905).

Almost surely, 2^341315809 is an apocalyptic number.

It is an amenable number.

341315809 is a deficient number, since it is larger than the sum of its proper divisors (1).

341315809 is an equidigital number, since it uses as much as digits as its factorization.

341315809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 341315809 is about 18474.7343417977. The cubic root of 341315809 is about 698.8524114943.

The spelling of 341315809 in words is "three hundred forty-one million, three hundred fifteen thousand, eight hundred nine".