343755109 has 4 divisors (see below), whose sum is σ = 343900800. Its totient is φ = 343609420.

The previous prime is 343755103. The next prime is 343755119. The reversal of 343755109 is 901557343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901557343 = 4877 ⋅184859.

It is a cyclic number.

It is not a de Polignac number, because 343755109 - 2⁹ = 343754597 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 (343755103) 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, 69247 + ... + 74044.

It is an arithmetic number, because the mean of its divisors is an integer number (85975200).

Almost surely, 2^343755109 is an apocalyptic number.

It is an amenable number.

343755109 is a deficient number, since it is larger than the sum of its proper divisors (145691).

343755109 is a wasteful number, since it uses less digits than its factorization.

343755109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145690.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 343755109 is about 18540.6339967111. The cubic root of 343755109 is about 700.5133030997.

The spelling of 343755109 in words is "three hundred forty-three million, seven hundred fifty-five thousand, one hundred nine".