34111111 has 2 divisors, whose sum is σ = 34111112. Its totient is φ = 34111110.

The previous prime is 34111109. The next prime is 34111159. The reversal of 34111111 is 11111143.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34111111 - 2¹ = 34111109 is a prime.

Together with 34111109, it forms a pair of twin primes.

It is a Chen prime.

34111111 is a modest number, since divided by 11111 gives 341 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 34111091 and 34111100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34111411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17055555 + 17055556.

It is an arithmetic number, because the mean of its divisors is an integer number (17055556).

Almost surely, 2^34111111 is an apocalyptic number.

34111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

34111111 is an equidigital number, since it uses as much as digits as its factorization.

34111111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12, while the sum is 13.

The square root of 34111111 is about 5840.4718131329. The cubic root of 34111111 is about 324.3136949396.

Adding to 34111111 its reverse (11111143), we get a palindrome (45222254).

It can be divided in two parts, 3 and 4111111, that added together give a palindrome (4111114).

The spelling of 34111111 in words is "thirty-four million, one hundred eleven thousand, one hundred eleven".