1317313328 has 10 divisors (see below), whose sum is σ = 2552294604. Its totient is φ = 658656656.

The previous prime is 1317313303. The next prime is 1317313363. The reversal of 1317313328 is 8233137131.

It is a junction number, because it is equal to n+sod(n) for n = 1317313294 and 1317313303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41166026 + ... + 41166057.

Almost surely, 2^1317313328 is an apocalyptic number.

It is an amenable number.

1317313328 is a deficient number, since it is larger than the sum of its proper divisors (1234981276).

1317313328 is an equidigital number, since it uses as much as digits as its factorization.

1317313328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82332091 (or 82332085 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 1317313328 is about 36294.8113096073. The cubic root of 1317313328 is about 1096.2165688147.

The spelling of 1317313328 in words is "one billion, three hundred seventeen million, three hundred thirteen thousand, three hundred twenty-eight".