305442130 has 16 divisors (see below), whose sum is σ = 628338240. Its totient is φ = 104722992.

The previous prime is 305442121. The next prime is 305442131. The reversal of 305442130 is 31244503.

It is not an unprimeable number, because it can be changed into a prime (305442131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2181660 + ... + 2181799.

It is an arithmetic number, because the mean of its divisors is an integer number (39271140).

Almost surely, 2^305442130 is an apocalyptic number.

305442130 is an abundant number, since it is smaller than the sum of its proper divisors (322896110).

305442130 is a wasteful number, since it uses less digits than its factorization.

305442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363473.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 305442130 is about 17476.9027576399. The cubic root of 305442130 is about 673.4566513234.

Adding to 305442130 its reverse (31244503), we get a palindrome (336686633).

The spelling of 305442130 in words is "three hundred five million, four hundred forty-two thousand, one hundred thirty".