111444430231 has 8 divisors (see below), whose sum is σ = 111802664528. Its totient is φ = 111086640000.

The previous prime is 111444430157. The next prime is 111444430241. The reversal of 111444430231 is 132034444111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111444430231 - 2¹⁷ = 111444299159 is a prime.

It is a super-2 number, since 2×111444430231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111444430231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111444430241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395416 + ... + 615826.

It is an arithmetic number, because the mean of its divisors is an integer number (13975333066).

Almost surely, 2^111444430231 is an apocalyptic number.

111444430231 is a deficient number, since it is larger than the sum of its proper divisors (358234297).

111444430231 is a wasteful number, since it uses less digits than its factorization.

111444430231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222033.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 111444430231 its reverse (132034444111), we get a palindrome (243478874342).

The spelling of 111444430231 in words is "one hundred eleven billion, four hundred forty-four million, four hundred thirty thousand, two hundred thirty-one".