303130 has 8 divisors (see below), whose sum is σ = 545652. Its totient is φ = 121248.

The previous prime is 303119. The next prime is 303139. The reversal of 303130 is 31303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 294849 + 8281 = 543^2 + 91^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 30313 = 303130 / (3 + 0 + 3 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (303139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15147 + ... + 15166.

2³⁰³¹³⁰ is an apocalyptic number.

303130 is a deficient number, since it is larger than the sum of its proper divisors (242522).

303130 is a wasteful number, since it uses less digits than its factorization.

303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30320.

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 303130 is about 550.5724293860. The cubic root of 303130 is about 67.1753038977.

Adding to 303130 its reverse (31303), we get a palindrome (334433).

It can be divided in two parts, 30 and 3130, that added together give a triangular number (3160 = T₇₉).

The spelling of 303130 in words is "three hundred three thousand, one hundred thirty".