301020030 has 64 divisors (see below), whose sum is σ = 805481280. Its totient is φ = 79996032.

The previous prime is 301020023. The next prime is 301020043. The reversal of 301020030 is 30020103.

It is a happy number.

It is a super-2 number, since 2×301020030² = 181226116922401800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 301019994 and 301020021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83832 + ... + 87348.

It is an arithmetic number, because the mean of its divisors is an integer number (12585645).

Almost surely, 2^301020030 is an apocalyptic number.

301020030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 301020030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402740640).

301020030 is an abundant number, since it is smaller than the sum of its proper divisors (504461250).

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

301020030 is a wasteful number, since it uses less digits than its factorization.

301020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3844 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 301020030 is about 17349.9288182978. The cubic root of 301020030 is about 670.1908047940.

Adding to 301020030 its reverse (30020103), we get a palindrome (331040133).

The spelling of 301020030 in words is "three hundred one million, twenty thousand, thirty".