308130 has 16 divisors (see below), whose sum is σ = 739584. Its totient is φ = 82160.

The previous prime is 308129. The next prime is 308137. The reversal of 308130 is 31803.

It is a super-3 number, since 3×308130³ = 87765373733391000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5106 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (46224).

2³⁰⁸¹³⁰ is an apocalyptic number.

308130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

308130 is an abundant number, since it is smaller than the sum of its proper divisors (431454).

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

308130 is a wasteful number, since it uses less digits than its factorization.

308130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10281.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 308130 is about 555.0945865346. The cubic root of 308130 is about 67.5426342455.

Adding to 308130 its reverse (31803), we get a palindrome (339933).

The spelling of 308130 in words is "three hundred eight thousand, one hundred thirty".