307230 has 96 divisors (see below), whose sum is σ = 984960. Its totient is φ = 60480.

The previous prime is 307201. The next prime is 307243. The reversal of 307230 is 32703.

307230 = T₇₇ + T₇₈ + ... + T₁₃₁.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16161 + ... + 16179.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2³⁰⁷²³⁰ is an apocalyptic number.

307230 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 307230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492480).

307230 is an abundant number, since it is smaller than the sum of its proper divisors (677730).

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

307230 is a wasteful number, since it uses less digits than its factorization.

307230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 307230 is about 554.2833210552. The cubic root of 307230 is about 67.4768095919.

Adding to 307230 its reverse (32703), we get a palindrome (339933).

It can be divided in two parts, 30 and 7230, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 307230 in words is "three hundred seven thousand, two hundred thirty".