302100030 has 192 divisors, whose sum is σ = 883104768. Its totient is φ = 74027520.

The previous prime is 302100011. The next prime is 302100077. The reversal of 302100030 is 30001203.

It is a happy number.

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 = 302099985 and 302100021.

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 95 ways as a sum of consecutive naturals, for example, 2932959 + ... + 2933061.

It is an arithmetic number, because the mean of its divisors is an integer number (4599504).

Almost surely, 2^302100030 is an apocalyptic number.

302100030 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 302100030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441552384).

302100030 is an abundant number, since it is smaller than the sum of its proper divisors (581004738).

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

302100030 is a wasteful number, since it uses less digits than its factorization.

302100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 201 counting only the distinct ones).

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

The square root of 302100030 is about 17381.0249985437. The cubic root of 302100030 is about 670.9913519274.

Adding to 302100030 its reverse (30001203), we get a palindrome (332101233).

The spelling of 302100030 in words is "three hundred two million, one hundred thousand, thirty".