30113100 has 144 divisors (see below), whose sum is σ = 102076800. Its totient is φ = 7594560.

The previous prime is 30113093. The next prime is 30113113. The reversal of 30113100 is 131103.

It is a super-2 number, since 2×30113100² = 1813597583220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51007 + ... + 51593.

Almost surely, 2^30113100 is an apocalyptic number.

30113100 is a gapful number since it is divisible by the number (30) 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 30113100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51038400).

30113100 is an abundant number, since it is smaller than the sum of its proper divisors (71963700).

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

30113100 is a wasteful number, since it uses less digits than its factorization.

30113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 30113100 is about 5487.5404326529. The cubic root of 30113100 is about 311.1132364745.

Adding to 30113100 its reverse (131103), we get a palindrome (30244203).

The spelling of 30113100 in words is "thirty million, one hundred thirteen thousand, one hundred".