30312130 has 16 divisors (see below), whose sum is σ = 54759744. Its totient is φ = 12080880.

The previous prime is 30312127. The next prime is 30312151. The reversal of 30312130 is 3121303.

It is a self number, because there is not a number n which added to its sum of digits gives 30312130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2526 + ... + 8185.

It is an arithmetic number, because the mean of its divisors is an integer number (3422484).

Almost surely, 2^30312130 is an apocalyptic number.

30312130 is a deficient number, since it is larger than the sum of its proper divisors (24447614).

30312130 is a wasteful number, since it uses less digits than its factorization.

30312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30312130 is about 5505.6452846147. The cubic root of 30312130 is about 311.7971574915.

Adding to 30312130 its reverse (3121303), we get a palindrome (33433433).

The spelling of 30312130 in words is "thirty million, three hundred twelve thousand, one hundred thirty".