234031111 has 6 divisors (see below), whose sum is σ = 238068512. Its totient is φ = 230061060.

The previous prime is 234031099. The next prime is 234031117. The reversal of 234031111 is 111130432.

It is not a de Polignac number, because 234031111 - 2¹¹ = 234029063 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 (234031117) 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 5 ways as a sum of consecutive naturals, for example, 30135 + ... + 37096.

Almost surely, 2^234031111 is an apocalyptic number.

234031111 is a deficient number, since it is larger than the sum of its proper divisors (4037401).

234031111 is an frugal number, since it uses more digits than its factorization.

234031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67349 (or 67290 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 234031111 is about 15298.0754018275. The cubic root of 234031111 is about 616.2513231734.

Adding to 234031111 its reverse (111130432), we get a palindrome (345161543).

The spelling of 234031111 in words is "two hundred thirty-four million, thirty-one thousand, one hundred eleven".