1317304293 has 16 divisors (see below), whose sum is σ = 1802134656. Its totient is φ = 855407360.

The previous prime is 1317304291. The next prime is 1317304301. The reversal of 1317304293 is 3924037131.

It is a cyclic number.

It is not a de Polignac number, because 1317304293 - 2¹ = 1317304291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317304291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71305 + ... + 87857.

It is an arithmetic number, because the mean of its divisors is an integer number (112633416).

Almost surely, 2^1317304293 is an apocalyptic number.

It is an amenable number.

1317304293 is a deficient number, since it is larger than the sum of its proper divisors (484830363).

1317304293 is a wasteful number, since it uses less digits than its factorization.

1317304293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17244.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1317304293 is about 36294.6868425669. The cubic root of 1317304293 is about 1096.2140626179.

The spelling of 1317304293 in words is "one billion, three hundred seventeen million, three hundred four thousand, two hundred ninety-three".