111441343231 has 8 divisors (see below), whose sum is σ = 115292221200. Its totient is φ = 107591003520.

The previous prime is 111441343217. The next prime is 111441343297. The reversal of 111441343231 is 132343144111.

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 111441343231 - 2⁵ = 111441343199 is a prime.

It is a super-2 number, since 2×111441343231² (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 111441343231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111441343631) 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, 311815 + ... + 565783.

It is an arithmetic number, because the mean of its divisors is an integer number (14411527650).

Almost surely, 2^111441343231 is an apocalyptic number.

111441343231 is a deficient number, since it is larger than the sum of its proper divisors (3850877969).

111441343231 is a wasteful number, since it uses less digits than its factorization.

111441343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269129.

The product of its digits is 3456, while the sum is 28.

Adding to 111441343231 its reverse (132343144111), we get a palindrome (243784487342).

The spelling of 111441343231 in words is "one hundred eleven billion, four hundred forty-one million, three hundred forty-three thousand, two hundred thirty-one".