1317313329 has 8 divisors (see below), whose sum is σ = 1758759552. Its totient is φ = 877038000.

The previous prime is 1317313303. The next prime is 1317313363. The reversal of 1317313329 is 9233137131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1317313329 - 2¹⁵ = 1317280561 is a prime.

It is a super-2 number, since 2×1317313329² = 3470628813522124482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1317313329.

It is not an unprimeable number, because it can be changed into a prime (1317313369) 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, 290094 + ... + 294599.

It is an arithmetic number, because the mean of its divisors is an integer number (219844944).

Almost surely, 2^1317313329 is an apocalyptic number.

It is an amenable number.

1317313329 is a deficient number, since it is larger than the sum of its proper divisors (441446223).

1317313329 is an equidigital number, since it uses as much as digits as its factorization.

1317313329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585447.

The product of its digits is 10206, while the sum is 33.

The square root of 1317313329 is about 36294.8113233834. The cubic root of 1317313329 is about 1096.2165690921.

The spelling of 1317313329 in words is "one billion, three hundred seventeen million, three hundred thirteen thousand, three hundred twenty-nine".