302130 has 40 divisors (see below), whose sum is σ = 814572. Its totient is φ = 80352.

The previous prime is 302123. The next prime is 302143. The reversal of 302130 is 31203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 301401 + 729 = 549^2 + 27^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 624 + ... + 996.

2³⁰²¹³⁰ is an apocalyptic number.

302130 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 302130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407286).

302130 is an abundant number, since it is smaller than the sum of its proper divisors (512442).

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

302130 is a wasteful number, since it uses less digits than its factorization.

302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 383 counting only the distinct ones).

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

The square root of 302130 is about 549.6635334457. The cubic root of 302130 is about 67.1013539883.

Adding to 302130 its reverse (31203), we get a palindrome (333333).

The spelling of 302130 in words is "three hundred two thousand, one hundred thirty".