318130 has 16 divisors (see below), whose sum is σ = 592920. Its totient is φ = 122752.

The previous prime is 318127. The next prime is 318137. The reversal of 318130 is 31813.

It can be written as a sum of positive squares in 4 ways, for example, as 227529 + 90601 = 477^2 + 301^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (318137) 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, 259 + ... + 838.

2³¹⁸¹³⁰ is an apocalyptic number.

318130 is a deficient number, since it is larger than the sum of its proper divisors (274790).

318130 is a wasteful number, since it uses less digits than its factorization.

318130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 318130 is about 564.0301410386. The cubic root of 318130 is about 68.2655418635.

Adding to 318130 its reverse (31813), we get a palindrome (349943).

The spelling of 318130 in words is "three hundred eighteen thousand, one hundred thirty".