18113310 has 48 divisors (see below), whose sum is σ = 47318544. Its totient is φ = 4807296.

The previous prime is 18113299. The next prime is 18113317. The reversal of 18113310 is 1331181.

It is a happy number.

It is a super-2 number, since 2×18113310² = 656183998312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18113317) 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 23 ways as a sum of consecutive naturals, for example, 27849 + ... + 28491.

It is an arithmetic number, because the mean of its divisors is an integer number (985803).

Almost surely, 2^18113310 is an apocalyptic number.

18113310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18113310 is an abundant number, since it is smaller than the sum of its proper divisors (29205234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18113310 is a wasteful number, since it uses less digits than its factorization.

18113310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 18113310 is about 4255.9734491653. The cubic root of 18113310 is about 262.6229084289.

Adding to 18113310 its reverse (1331181), we get a palindrome (19444491).

The spelling of 18113310 in words is "eighteen million, one hundred thirteen thousand, three hundred ten".