113030280 has 384 divisors, whose sum is σ = 448830720. Its totient is φ = 24330240.

The previous prime is 113030279. The next prime is 113030287. The reversal of 113030280 is 82030311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113030287) 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 95 ways as a sum of consecutive naturals, for example, 1548324 + ... + 1548396.

It is an arithmetic number, because the mean of its divisors is an integer number (1168830).

Almost surely, 2^113030280 is an apocalyptic number.

113030280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113030280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224415360).

113030280 is an abundant number, since it is smaller than the sum of its proper divisors (335800440).

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

113030280 is a wasteful number, since it uses less digits than its factorization.

113030280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 113030280 is about 10631.5699687299. The cubic root of 113030280 is about 483.5019921373.

Adding to 113030280 its reverse (82030311), we get a palindrome (195060591).

The spelling of 113030280 in words is "one hundred thirteen million, thirty thousand, two hundred eighty".