341395309 has 4 divisors (see below), whose sum is σ = 361477404. Its totient is φ = 321313216.

The previous prime is 341395289. The next prime is 341395319. The reversal of 341395309 is 903593143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 903593143 = 1307 ⋅691349.

It can be written as a sum of positive squares in 2 ways, for example, as 108222409 + 233172900 = 10403^2 + 15270^2 .

It is a cyclic number.

It is not a de Polignac number, because 341395309 - 2⁹ = 341394797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341395319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10041022 + ... + 10041055.

It is an arithmetic number, because the mean of its divisors is an integer number (90369351).

Almost surely, 2^341395309 is an apocalyptic number.

It is an amenable number.

341395309 is a deficient number, since it is larger than the sum of its proper divisors (20082095).

341395309 is a wasteful number, since it uses less digits than its factorization.

341395309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20082094.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 341395309 is about 18476.8858036196. The cubic root of 341395309 is about 698.9066666760.

The spelling of 341395309 in words is "three hundred forty-one million, three hundred ninety-five thousand, three hundred nine".