306532030 has 64 divisors (see below), whose sum is σ = 673505280. Its totient is φ = 98179200.

The previous prime is 306532021. The next prime is 306532033. The reversal of 306532030 is 30235603.

It is a junction number, because it is equal to n+sod(n) for n = 306531992 and 306532010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306532033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60495 + ... + 65365.

It is an arithmetic number, because the mean of its divisors is an integer number (10523520).

Almost surely, 2^306532030 is an apocalyptic number.

306532030 is an abundant number, since it is smaller than the sum of its proper divisors (366973250).

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

306532030 is a wasteful number, since it uses less digits than its factorization.

306532030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 306532030 is about 17508.0561456719. The cubic root of 306532030 is about 674.2567255128.

Adding to 306532030 its reverse (30235603), we get a palindrome (336767633).

The spelling of 306532030 in words is "three hundred six million, five hundred thirty-two thousand, thirty".