343161309 has 8 divisors (see below), whose sum is σ = 459547360. Its totient is φ = 227774736.

The previous prime is 343161283. The next prime is 343161319. The reversal of 343161309 is 903161343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343161309 - 2⁵ = 343161277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343161319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249067 + ... + 250440.

It is an arithmetic number, because the mean of its divisors is an integer number (57443420).

Almost surely, 2^343161309 is an apocalyptic number.

It is an amenable number.

343161309 is a deficient number, since it is larger than the sum of its proper divisors (116386051).

343161309 is a wasteful number, since it uses less digits than its factorization.

343161309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499739.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 343161309 is about 18524.6135992090. The cubic root of 343161309 is about 700.1097168159.

The spelling of 343161309 in words is "three hundred forty-three million, one hundred sixty-one thousand, three hundred nine".