111243344231 has 8 divisors (see below), whose sum is σ = 114649328640. Its totient is φ = 107874583992.

The previous prime is 111243344183. The next prime is 111243344237. The reversal of 111243344231 is 132443342111.

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 111243344231 - 2²² = 111239149927 is a prime.

It is a super-2 number, since 2×111243344231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111243344194 and 111243344203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111243344237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9299975 + ... + 9311928.

It is an arithmetic number, because the mean of its divisors is an integer number (14331166080).

Almost surely, 2^111243344231 is an apocalyptic number.

111243344231 is a deficient number, since it is larger than the sum of its proper divisors (3405984409).

111243344231 is a wasteful number, since it uses less digits than its factorization.

111243344231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18612085.

The product of its digits is 6912, while the sum is 29.

Adding to 111243344231 its reverse (132443342111), we get a palindrome (243686686342).

The spelling of 111243344231 in words is "one hundred eleven billion, two hundred forty-three million, three hundred forty-four thousand, two hundred thirty-one".