313501 has 6 divisors (see below), whose sum is σ = 323610. Its totient is φ = 303696.

The previous prime is 313477. The next prime is 313507. The reversal of 313501 is 105313.

It can be written as a sum of positive squares in 3 ways, for example, as 251001 + 62500 = 501^2 + 250^2 .

It is not a de Polignac number, because 313501 - 2⁷ = 313373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (53935).

2³¹³⁵⁰¹ is an apocalyptic number.

It is an amenable number.

313501 is a deficient number, since it is larger than the sum of its proper divisors (10109).

313501 is an equidigital number, since it uses as much as digits as its factorization.

313501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 313501 is about 559.9116001656. The cubic root of 313501 is about 67.9328200419.

Adding to 313501 its reverse (105313), we get a palindrome (418814).

The spelling of 313501 in words is "three hundred thirteen thousand, five hundred one".