313130 has 16 divisors (see below), whose sum is σ = 570024. Its totient is φ = 123840.

The previous prime is 313129. The next prime is 313133. The reversal of 313130 is 31313.

313130 = 156² + 157² + ... + 167².

It can be written as a sum of positive squares in 4 ways, for example, as 223729 + 89401 = 473^2 + 299^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313133) 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, 1640 + ... + 1820.

2³¹³¹³⁰ is an apocalyptic number.

313130 is a deficient number, since it is larger than the sum of its proper divisors (256894).

313130 is a wasteful number, since it uses less digits than its factorization.

313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 313130 is about 559.5801997927. The cubic root of 313130 is about 67.9060120204.

Adding to 313130 its reverse (31313), we get a palindrome (344443).

The spelling of 313130 in words is "three hundred thirteen thousand, one hundred thirty".