343128611 has 8 divisors (see below), whose sum is σ = 392305920. Its totient is φ = 293991048.

The previous prime is 343128593. The next prime is 343128647. The reversal of 343128611 is 116821343.

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

It is a cyclic number.

It is not a de Polignac number, because 343128611 - 2¹⁴ = 343112227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343128671) 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, 11720 + ... + 28698.

It is an arithmetic number, because the mean of its divisors is an integer number (49038240).

Almost surely, 2^343128611 is an apocalyptic number.

343128611 is a deficient number, since it is larger than the sum of its proper divisors (49177309).

343128611 is a wasteful number, since it uses less digits than its factorization.

343128611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873.

The product of its digits is 3456, while the sum is 29.

The square root of 343128611 is about 18523.7310226639. The cubic root of 343128611 is about 700.0874795433.

Adding to 343128611 its reverse (116821343), we get a palindrome (459949954).

The spelling of 343128611 in words is "three hundred forty-three million, one hundred twenty-eight thousand, six hundred eleven".