304122030 has 32 divisors (see below), whose sum is σ = 734275584. Its totient is φ = 80612256.

The previous prime is 304122017. The next prime is 304122041. The reversal of 304122030 is 30221403.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25342 + ... + 35361.

It is an arithmetic number, because the mean of its divisors is an integer number (22946112).

Almost surely, 2^304122030 is an apocalyptic number.

304122030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304122030 is an abundant number, since it is smaller than the sum of its proper divisors (430153554).

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

304122030 is a wasteful number, since it uses less digits than its factorization.

304122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60880.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 304122030 is about 17439.0948733012. The cubic root of 304122030 is about 672.4850390300.

Adding to 304122030 its reverse (30221403), we get a palindrome (334343433).

The spelling of 304122030 in words is "three hundred four million, one hundred twenty-two thousand, thirty".