1317305347 has 2 divisors, whose sum is σ = 1317305348. Its totient is φ = 1317305346.

The previous prime is 1317305323. The next prime is 1317305369. The reversal of 1317305347 is 7435037131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1317305347 - 2⁷ = 1317305219 is a prime.

It is a super-3 number, since 3×1317305347³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1317305317) by changing a digit.

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, 658652673 + 658652674.

It is an arithmetic number, because the mean of its divisors is an integer number (658652674).

Almost surely, 2^1317305347 is an apocalyptic number.

1317305347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317305347 is an equidigital number, since it uses as much as digits as its factorization.

1317305347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 1317305347 is about 36294.7013625956. The cubic root of 1317305347 is about 1096.2143549850.

The spelling of 1317305347 in words is "one billion, three hundred seventeen million, three hundred five thousand, three hundred forty-seven".