113320018 has 16 divisors (see below), whose sum is σ = 194601600. Its totient is φ = 48481056.

The previous prime is 113320001. The next prime is 113320019. The reversal of 113320018 is 810023311.

It is a junction number, because it is equal to n+sod(n) for n = 113319977 and 113320004.

It is not an unprimeable number, because it can be changed into a prime (113320019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630 + ... + 15142.

It is an arithmetic number, because the mean of its divisors is an integer number (12162600).

Almost surely, 2^113320018 is an apocalyptic number.

113320018 is a deficient number, since it is larger than the sum of its proper divisors (81281582).

113320018 is a wasteful number, since it uses less digits than its factorization.

113320018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14121.

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

The square root of 113320018 is about 10645.1875511895. The cubic root of 113320018 is about 483.9147705263.

Adding to 113320018 its reverse (810023311), we get a palindrome (923343329).

The spelling of 113320018 in words is "one hundred thirteen million, three hundred twenty thousand, eighteen".