30002130 has 32 divisors (see below), whose sum is σ = 80006400. Its totient is φ = 8000496.

The previous prime is 30002123. The next prime is 30002207. The reversal of 30002130 is 3120003.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55290 + ... + 55829.

It is an arithmetic number, because the mean of its divisors is an integer number (2500200).

Almost surely, 2^30002130 is an apocalyptic number.

30002130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30002130 is an abundant number, since it is smaller than the sum of its proper divisors (50004270).

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

30002130 is a wasteful number, since it uses less digits than its factorization.

30002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111135 (or 111129 counting only the distinct ones).

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

The square root of 30002130 is about 5477.4200131084. The cubic root of 30002130 is about 310.7306042050.

Adding to 30002130 its reverse (3120003), we get a palindrome (33122133).

The spelling of 30002130 in words is "thirty million, two thousand, one hundred thirty".