30210002100 has 54 divisors (see below), whose sum is σ = 94691576070. Its totient is φ = 8056000320.

The previous prime is 30210002083. The next prime is 30210002111. The reversal of 30210002100 is 120001203.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7955926416 + 22254075684 = 89196^2 + 149178^2 .

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

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 16782435 + ... + 16784234.

It is an arithmetic number, because the mean of its divisors is an integer number (1753547705).

Almost surely, 2^30210002100 is an apocalyptic number.

30210002100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30210002100 is an abundant number, since it is smaller than the sum of its proper divisors (64481573970).

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

30210002100 is a wasteful number, since it uses less digits than its factorization.

30210002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33566689 (or 33566679 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 30210002100 its reverse (120001203), we get a palindrome (30330003303).

The spelling of 30210002100 in words is "thirty billion, two hundred ten million, two thousand, one hundred".