1310317 has 4 divisors (see below), whose sum is σ = 1315996. Its totient is φ = 1304640.

The previous prime is 1310311. The next prime is 1310327. The reversal of 1310317 is 7130131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7130131 = 43 ⋅165817.

It can be written as a sum of positive squares in 2 ways, for example, as 866761 + 443556 = 931^2 + 666^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310317 - 2⁷ = 1310189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (328999).

2^1310317 is an apocalyptic number.

It is an amenable number.

1310317 is a deficient number, since it is larger than the sum of its proper divisors (5679).

1310317 is an equidigital number, since it uses as much as digits as its factorization.

1310317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 1310317 is about 1144.6907879423. The cubic root of 1310317 is about 109.4272432868.

Adding to 1310317 its reverse (7130131), we get a palindrome (8440448).

The spelling of 1310317 in words is "one million, three hundred ten thousand, three hundred seventeen".