30100100 has 54 divisors (see below), whose sum is σ = 68400570. Its totient is φ = 11496320.

The previous prime is 30100079. The next prime is 30100111. The reversal of 30100100 is 100103.

It can be written as a sum of positive squares in 3 ways, for example, as 135424 + 29964676 = 368^2 + 5474^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52616 + ... + 53184.

Almost surely, 2^30100100 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 30100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34200285).

30100100 is an abundant number, since it is smaller than the sum of its proper divisors (38300470).

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

30100100 is a wasteful number, since it uses less digits than its factorization.

30100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 30100100 is about 5486.3558032632. The cubic root of 30100100 is about 311.0684602340.

Adding to 30100100 its reverse (100103), we get a palindrome (30200203).

The spelling of 30100100 in words is "thirty million, one hundred thousand, one hundred".