343311111 has 48 divisors (see below), whose sum is σ = 592274592. Its totient is φ = 188870400.

The previous prime is 343311103. The next prime is 343311113. The reversal of 343311111 is 111113343.

343311111 is a `hidden beast` number, since 343 + 311 + 1 + 11 = 666.

It is not a de Polignac number, because 343311111 - 2³ = 343311103 is a prime.

343311111 is a modest number, since divided by 11111 gives 3433 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343311113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76321 + ... + 80693.

It is an arithmetic number, because the mean of its divisors is an integer number (12339054).

Almost surely, 2^343311111 is an apocalyptic number.

343311111 is a deficient number, since it is larger than the sum of its proper divisors (248963481).

343311111 is a wasteful number, since it uses less digits than its factorization.

343311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4461 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 343311111 is about 18528.6564812455. The cubic root of 343311111 is about 700.2115761804.

Adding to 343311111 its reverse (111113343), we get a palindrome (454424454).

The spelling of 343311111 in words is "three hundred forty-three million, three hundred eleven thousand, one hundred eleven".