30328100 has 72 divisors (see below), whose sum is σ = 72912000. Its totient is φ = 10857600.

The previous prime is 30328097. The next prime is 30328121. The reversal of 30328100 is 182303.

It is a super-2 number, since 2×30328100² = 1839587299220000, which contains 22 as substring.

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, 86726 + ... + 87074.

Almost surely, 2^30328100 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 30328100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36456000).

30328100 is an abundant number, since it is smaller than the sum of its proper divisors (42583900).

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

30328100 is a wasteful number, since it uses less digits than its factorization.

30328100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30328100 is about 5507.0954231791. The cubic root of 30328100 is about 311.8519048417.

The spelling of 30328100 in words is "thirty million, three hundred twenty-eight thousand, one hundred".