111432341 has 4 divisors (see below), whose sum is σ = 113534892. Its totient is φ = 109329792.

The previous prime is 111432329. The next prime is 111432353. The reversal of 111432341 is 143234111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (111432329) and next prime (111432353).

It can be written as a sum of positive squares in 2 ways, for example, as 93122500 + 18309841 = 9650^2 + 4279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111432341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111434341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051196 + ... + 1051301.

It is an arithmetic number, because the mean of its divisors is an integer number (28383723).

Almost surely, 2^111432341 is an apocalyptic number.

It is an amenable number.

111432341 is a deficient number, since it is larger than the sum of its proper divisors (2102551).

111432341 is an equidigital number, since it uses as much as digits as its factorization.

111432341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102550.

The product of its digits is 288, while the sum is 20.

The square root of 111432341 is about 10556.1518083059. The cubic root of 111432341 is about 481.2127046828.

Adding to 111432341 its reverse (143234111), we get a palindrome (254666452).

It can be divided in two parts, 11 and 1432341, that multiplied together give a palindrome (15755751).

The spelling of 111432341 in words is "one hundred eleven million, four hundred thirty-two thousand, three hundred forty-one".