111400434231 has 16 divisors (see below), whose sum is σ = 156409760640. Its totient is φ = 70331945760.

The previous prime is 111400434199. The next prime is 111400434259. The reversal of 111400434231 is 132434004111.

It is not a de Polignac number, because 111400434231 - 2⁵ = 111400434199 is a prime.

It is a super-2 number, since 2×111400434231² (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 (111400434031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209365 + ... + 516366.

It is an arithmetic number, because the mean of its divisors is an integer number (9775610040).

Almost surely, 2^111400434231 is an apocalyptic number.

111400434231 is a deficient number, since it is larger than the sum of its proper divisors (45009326409).

111400434231 is a wasteful number, since it uses less digits than its factorization.

111400434231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728446.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111400434231 its reverse (132434004111), we get a palindrome (243834438342).

The spelling of 111400434231 in words is "one hundred eleven billion, four hundred million, four hundred thirty-four thousand, two hundred thirty-one".