2130000030 has 64 divisors (see below), whose sum is σ = 5689094400. Its totient is φ = 567090720.

The previous prime is 2130000029. The next prime is 2130000043. The reversal of 2130000030 is 300000312.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2129999967 and 2130000021.

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, 171945 + ... + 183915.

It is an arithmetic number, because the mean of its divisors is an integer number (88892100).

Almost surely, 2^2130000030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130000030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844547200).

2130000030 is an abundant number, since it is smaller than the sum of its proper divisors (3559094370).

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

2130000030 is a wasteful number, since it uses less digits than its factorization.

2130000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12646 (or 12640 counting only the distinct ones).

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

The square root of 2130000030 is about 46151.9233618708. The cubic root of 2130000030 is about 1286.6483572643.

Adding to 2130000030 its reverse (300000312), we get a palindrome (2430000342).

The spelling of 2130000030 in words is "two billion, one hundred thirty million, thirty", and thus it is an aban number.