111313321 has 8 divisors (see below), whose sum is σ = 127745024. Its totient is φ = 95014080.

The previous prime is 111313313. The next prime is 111313327. The reversal of 111313321 is 123313111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111313321 - 2³ = 111313313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111313295 and 111313304.

It is not an unprimeable number, because it can be changed into a prime (111313327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31305 + ... + 34678.

It is an arithmetic number, because the mean of its divisors is an integer number (15968128).

Almost surely, 2^111313321 is an apocalyptic number.

It is an amenable number.

111313321 is a deficient number, since it is larger than the sum of its proper divisors (16431703).

111313321 is an equidigital number, since it uses as much as digits as its factorization.

111313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66231.

The product of its digits is 54, while the sum is 16.

The square root of 111313321 is about 10550.5128311376. The cubic root of 111313321 is about 481.0413171574.

Adding to 111313321 its reverse (123313111), we get a palindrome (234626432).

The spelling of 111313321 in words is "one hundred eleven million, three hundred thirteen thousand, three hundred twenty-one".