302112030 has 128 divisors (see below), whose sum is σ = 823426560. Its totient is φ = 70295040.

The previous prime is 302112011. The next prime is 302112043. The reversal of 302112030 is 30211203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 302111997 and 302112015.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1330777 + ... + 1331003.

It is an arithmetic number, because the mean of its divisors is an integer number (6433020).

Almost surely, 2^302112030 is an apocalyptic number.

302112030 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 302112030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411713280).

302112030 is an abundant number, since it is smaller than the sum of its proper divisors (521314530).

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

302112030 is a wasteful number, since it uses less digits than its factorization.

302112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 302112030 is about 17381.3701991529. The cubic root of 302112030 is about 671.0002361697. Note that the first 3 decimals are identical.

Adding to 302112030 its reverse (30211203), we get a palindrome (332323233).

It can be divided in two parts, 3021 and 12030, that added together give a palindrome (15051).

The spelling of 302112030 in words is "three hundred two million, one hundred twelve thousand, thirty".