111010311234 has 24 divisors (see below), whose sum is σ = 247022946300. Its totient is φ = 36003343968.

The previous prime is 111010311179. The next prime is 111010311257. The reversal of 111010311234 is 432113010111.

It is a happy number.

111010311234 is a `hidden beast` number, since 1 + 110 + 10 + 311 + 234 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 110419967025 + 590344209 = 332295^2 + 24297^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83340409 + ... + 83341740.

Almost surely, 2^111010311234 is an apocalyptic number.

111010311234 is an abundant number, since it is smaller than the sum of its proper divisors (136012635066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111010311234 is a wasteful number, since it uses less digits than its factorization.

111010311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166682194 (or 166682191 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111010311234 its reverse (432113010111), we get a palindrome (543123321345).

The spelling of 111010311234 in words is "one hundred eleven billion, ten million, three hundred eleven thousand, two hundred thirty-four".