302130000 has 250 divisors, whose sum is σ = 1095644594. Its totient is φ = 80352000.

The previous prime is 302129977. The next prime is 302130013. The reversal of 302130000 is 31203.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 112021056 + 190108944 = 10584^2 + 13788^2 .

It is a tau number, because it is divible by the number of its divisors (250).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 809814 + ... + 810186.

Almost surely, 2^302130000 is an apocalyptic number.

302130000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547822297).

302130000 is an abundant number, since it is smaller than the sum of its proper divisors (793514594).

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

302130000 is an equidigital number, since it uses as much as digits as its factorization.

302130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 383 counting only the distinct ones).

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

The square root of 302130000 is about 17381.8871242452. The cubic root of 302130000 is about 671.0135398827.

Adding to 302130000 its reverse (31203), we get a palindrome (302161203).

The spelling of 302130000 in words is "three hundred two million, one hundred thirty thousand".