111441313 has 4 divisors (see below), whose sum is σ = 111463060. Its totient is φ = 111419568.

The previous prime is 111441293. The next prime is 111441331. The reversal of 111441313 is 313144111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91164304 + 20277009 = 9548^2 + 4503^2 .

It is a cyclic number.

It is not a de Polignac number, because 111441313 - 2⁹ = 111440801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111441013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531 + ... + 15007.

It is an arithmetic number, because the mean of its divisors is an integer number (27865765).

Almost surely, 2^111441313 is an apocalyptic number.

It is an amenable number.

111441313 is a deficient number, since it is larger than the sum of its proper divisors (21747).

111441313 is an equidigital number, since it uses as much as digits as its factorization.

111441313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21746.

The product of its digits is 144, while the sum is 19.

The square root of 111441313 is about 10556.5767652208. The cubic root of 111441313 is about 481.2256193192.

Adding to 111441313 its reverse (313144111), we get a palindrome (424585424).

The spelling of 111441313 in words is "one hundred eleven million, four hundred forty-one thousand, three hundred thirteen".