343040111 has 4 divisors (see below), whose sum is σ = 351017832. Its totient is φ = 335062392.

The previous prime is 343040107. The next prime is 343040129. The reversal of 343040111 is 111040343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343040111 - 2² = 343040107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343040111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343040171) 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, 3988796 + ... + 3988881.

It is an arithmetic number, because the mean of its divisors is an integer number (87754458).

Almost surely, 2^343040111 is an apocalyptic number.

343040111 is a deficient number, since it is larger than the sum of its proper divisors (7977721).

343040111 is an equidigital number, since it uses as much as digits as its factorization.

343040111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977720.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 343040111 is about 18521.3420410077. The cubic root of 343040111 is about 700.0272853310.

Adding to 343040111 its reverse (111040343), we get a palindrome (454080454).

The spelling of 343040111 in words is "three hundred forty-three million, forty thousand, one hundred eleven".