305029030 has 16 divisors (see below), whose sum is σ = 550246464. Its totient is φ = 121746240.

The previous prime is 305029027. The next prime is 305029031. The reversal of 305029030 is 30920503.

305029030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 305028992 and 305029010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305029031) 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, 28311 + ... + 37570.

It is an arithmetic number, because the mean of its divisors is an integer number (34390404).

Almost surely, 2^305029030 is an apocalyptic number.

305029030 is a deficient number, since it is larger than the sum of its proper divisors (245217434).

305029030 is a wasteful number, since it uses less digits than its factorization.

305029030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66351.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 305029030 is about 17465.0803032795. The cubic root of 305029030 is about 673.1529053429.

Adding to 305029030 its reverse (30920503), we get a palindrome (335949533).

The spelling of 305029030 in words is "three hundred five million, twenty-nine thousand, thirty".