313530 has 32 divisors (see below), whose sum is σ = 860544. Its totient is φ = 71616.

The previous prime is 313517. The next prime is 313543. The reversal of 313530 is 35313.

It is an interprime number because it is at equal distance from previous prime (313517) and next prime (313543).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (26892).

2³¹³⁵³⁰ is an apocalyptic number.

313530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

313530 is an abundant number, since it is smaller than the sum of its proper divisors (547014).

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

313530 is a wasteful number, since it uses less digits than its factorization.

313530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 313530 is about 559.9374965119. The cubic root of 313530 is about 67.9349146562.

313530 divided by its sum of digits (15) gives a palindrome (20902).

Adding to 313530 its reverse (35313), we get a palindrome (348843).

The spelling of 313530 in words is "three hundred thirteen thousand, five hundred thirty".