111303213 has 8 divisors (see below), whose sum is σ = 169604928. Its totient is φ = 63601824.

The previous prime is 111303209. The next prime is 111303217. The reversal of 111303213 is 312303111.

It is an interprime number because it is at equal distance from previous prime (111303209) and next prime (111303217).

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

It is not a de Polignac number, because 111303213 - 2² = 111303209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111303192 and 111303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111303217) 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 7 ways as a sum of consecutive naturals, for example, 2650056 + ... + 2650097.

It is an arithmetic number, because the mean of its divisors is an integer number (21200616).

Almost surely, 2^111303213 is an apocalyptic number.

It is an amenable number.

111303213 is a deficient number, since it is larger than the sum of its proper divisors (58301715).

111303213 is an equidigital number, since it uses as much as digits as its factorization.

111303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300163.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 111303213 is about 10550.0337914151. The cubic root of 111303213 is about 481.0267561184.

Adding to 111303213 its reverse (312303111), we get a palindrome (423606324).

The spelling of 111303213 in words is "one hundred eleven million, three hundred three thousand, two hundred thirteen".