113103228 has 96 divisors (see below), whose sum is σ = 313105408. Its totient is φ = 31104000.

The previous prime is 113103223. The next prime is 113103233. The reversal of 113103228 is 822301311.

It is an interprime number because it is at equal distance from previous prime (113103223) and next prime (113103233).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113103223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469188 + ... + 469428.

Almost surely, 2^113103228 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 113103228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156552704).

113103228 is an abundant number, since it is smaller than the sum of its proper divisors (200002180).

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

113103228 is a wasteful number, since it uses less digits than its factorization.

113103228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 113103228 is about 10635.0001410437. Note that the first 3 decimals coincide. The cubic root of 113103228 is about 483.6059846791.

Adding to 113103228 its reverse (822301311), we get a palindrome (935404539).

The spelling of 113103228 in words is "one hundred thirteen million, one hundred three thousand, two hundred twenty-eight".