313730 has 16 divisors (see below), whose sum is σ = 571320. Its totient is φ = 124032.

The previous prime is 313727. The next prime is 313739. The reversal of 313730 is 37313.

It can be written as a sum of positive squares in 4 ways, for example, as 305809 + 7921 = 553^2 + 89^2 .

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 313699 and 313708.

It is not an unprimeable number, because it can be changed into a prime (313739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 1484.

2³¹³⁷³⁰ is an apocalyptic number.

313730 is a deficient number, since it is larger than the sum of its proper divisors (257590).

313730 is a wasteful number, since it uses less digits than its factorization.

313730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 189, while the sum is 17.

The square root of 313730 is about 560.1160594020. The cubic root of 313730 is about 67.9493567563.

The spelling of 313730 in words is "three hundred thirteen thousand, seven hundred thirty".