111140334231 has 4 divisors (see below), whose sum is σ = 148187112312. Its totient is φ = 74093556152.

The previous prime is 111140334211. The next prime is 111140334247. The reversal of 111140334231 is 132433041111.

It is a happy number.

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 111140334231 - 2¹⁵ = 111140301463 is a prime.

It is a super-2 number, since 2×111140334231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111140334211) 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, 18523389036 + ... + 18523389041.

It is an arithmetic number, because the mean of its divisors is an integer number (37046778078).

Almost surely, 2^111140334231 is an apocalyptic number.

111140334231 is a deficient number, since it is larger than the sum of its proper divisors (37046778081).

111140334231 is an equidigital number, since it uses as much as digits as its factorization.

111140334231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37046778080.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 111140334231 its reverse (132433041111), we get a palindrome (243573375342).

The spelling of 111140334231 in words is "one hundred eleven billion, one hundred forty million, three hundred thirty-four thousand, two hundred thirty-one".