113303028 has 72 divisors (see below), whose sum is σ = 288756832. Its totient is φ = 34546176.

The previous prime is 113302999. The next prime is 113303033. The reversal of 113303028 is 820303311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113302995 and 113303013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127875 + ... + 128757.

Almost surely, 2^113303028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113303028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144378416).

113303028 is an abundant number, since it is smaller than the sum of its proper divisors (175453804).

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

113303028 is a wasteful number, since it uses less digits than its factorization.

113303028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 113303028 is about 10644.3895080930. The cubic root of 113303028 is about 483.8905849704.

Adding to 113303028 its reverse (820303311), we get a palindrome (933606339).

The spelling of 113303028 in words is "one hundred thirteen million, three hundred three thousand, twenty-eight".