30115230 has 16 divisors (see below), whose sum is σ = 72276624. Its totient is φ = 8030720.

The previous prime is 30115199. The next prime is 30115237. The reversal of 30115230 is 3251103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30115237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501891 + ... + 501950.

It is an arithmetic number, because the mean of its divisors is an integer number (4517289).

Almost surely, 2^30115230 is an apocalyptic number.

30115230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30115230 is an abundant number, since it is smaller than the sum of its proper divisors (42161394).

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

30115230 is a wasteful number, since it uses less digits than its factorization.

30115230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003851.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 30115230 is about 5487.7345052398. The cubic root of 30115230 is about 311.1205716605.

Adding to 30115230 its reverse (3251103), we get a palindrome (33366333).

The spelling of 30115230 in words is "thirty million, one hundred fifteen thousand, two hundred thirty".