306230130 has 48 divisors (see below), whose sum is σ = 817726104. Its totient is φ = 79453440.

The previous prime is 306230117. The next prime is 306230137. The reversal of 306230130 is 31032603.

It is a happy number.

306230130 is a `hidden beast` number, since 30 + 623 + 0 + 13 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 275327649 + 30902481 = 16593^2 + 5559^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (306230137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42651 + ... + 49310.

Almost surely, 2^306230130 is an apocalyptic number.

306230130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

306230130 is an abundant number, since it is smaller than the sum of its proper divisors (511495974).

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

306230130 is a wasteful number, since it uses less digits than its factorization.

306230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92011 (or 92008 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 306230130 is about 17499.4322765054. The cubic root of 306230130 is about 674.0352968099.

Adding to 306230130 its reverse (31032603), we get a palindrome (337262733).

The spelling of 306230130 in words is "three hundred six million, two hundred thirty thousand, one hundred thirty".