113019930 has 96 divisors (see below), whose sum is σ = 311351040. Its totient is φ = 28385280.

The previous prime is 113019917. The next prime is 113019937. The reversal of 113019930 is 39910311.

It is a junction number, because it is equal to n+sod(n) for n = 113019894 and 113019903.

It is not an unprimeable number, because it can be changed into a prime (113019937) 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 47 ways as a sum of consecutive naturals, for example, 146586 + ... + 147354.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^113019930 is an apocalyptic number.

113019930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113019930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155675520).

113019930 is an abundant number, since it is smaller than the sum of its proper divisors (198331110).

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

113019930 is a wasteful number, since it uses less digits than its factorization.

113019930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 113019930 is about 10631.0831997497. The cubic root of 113019930 is about 483.4872338549.

The spelling of 113019930 in words is "one hundred thirteen million, nineteen thousand, nine hundred thirty".