111440234131 has 8 divisors (see below), whose sum is σ = 116312220864. Its totient is φ = 106670815680.

The previous prime is 111440234111. The next prime is 111440234137. The reversal of 111440234131 is 131432044111.

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 111440234131 - 2⁵ = 111440234099 is a prime.

It is a super-2 number, since 2×111440234131² (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 = 111440234096 and 111440234105.

It is not an unprimeable number, because it can be changed into a prime (111440234137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25639851 + ... + 25644196.

It is an arithmetic number, because the mean of its divisors is an integer number (14539027608).

Almost surely, 2^111440234131 is an apocalyptic number.

111440234131 is a deficient number, since it is larger than the sum of its proper divisors (4871986733).

111440234131 is an equidigital number, since it uses as much as digits as its factorization.

111440234131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51284141.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111440234131 its reverse (131432044111), we get a palindrome (242872278242).

The spelling of 111440234131 in words is "one hundred eleven billion, four hundred forty million, two hundred thirty-four thousand, one hundred thirty-one".