111001313 has 4 divisors (see below), whose sum is σ = 117530820. Its totient is φ = 104471808.

The previous prime is 111001307. The next prime is 111001321. The reversal of 111001313 is 313100111.

It is a happy number.

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 77035729 + 33965584 = 8777^2 + 5828^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001313 - 2¹⁰ = 111000289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001294 and 111001303.

It is not an unprimeable number, because it can be changed into a prime (111001333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3264728 + ... + 3264761.

It is an arithmetic number, because the mean of its divisors is an integer number (29382705).

Almost surely, 2^111001313 is an apocalyptic number.

It is an amenable number.

111001313 is a deficient number, since it is larger than the sum of its proper divisors (6529507).

111001313 is an equidigital number, since it uses as much as digits as its factorization.

111001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529506.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 111001313 is about 10535.7160648909. The cubic root of 111001313 is about 480.5914483002.

Adding to 111001313 its reverse (313100111), we get a palindrome (424101424).

The spelling of 111001313 in words is "one hundred eleven million, one thousand, three hundred thirteen".