210300030 has 64 divisors (see below), whose sum is σ = 593801280. Its totient is φ = 52780032.

The previous prime is 210300023. The next prime is 210300053. The reversal of 210300030 is 30003012.

It is a happy number.

It is a super-2 number, since 2×210300030² = 88452205236001800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 210299985 and 210300021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18319 + ... + 27498.

It is an arithmetic number, because the mean of its divisors is an integer number (9278145).

Almost surely, 2^210300030 is an apocalyptic number.

210300030 is an abundant number, since it is smaller than the sum of its proper divisors (383501250).

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

210300030 is a wasteful number, since it uses less digits than its factorization.

210300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45850 (or 45844 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 210300030 is about 14501.7250697977. The cubic root of 210300030 is about 594.6751327803.

Adding to 210300030 its reverse (30003012), we get a palindrome (240303042).

The spelling of 210300030 in words is "two hundred ten million, three hundred thousand, thirty".