1317332503 has 2 divisors, whose sum is σ = 1317332504. Its totient is φ = 1317332502.

The previous prime is 1317332483. The next prime is 1317332581. The reversal of 1317332503 is 3052337131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317332503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317330503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658666251 + 658666252.

It is an arithmetic number, because the mean of its divisors is an integer number (658666252).

Almost surely, 2^1317332503 is an apocalyptic number.

1317332503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317332503 is an equidigital number, since it uses as much as digits as its factorization.

1317332503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 1317332503 is about 36295.0754648616. The cubic root of 1317332503 is about 1096.2218876836.

Adding to 1317332503 its reverse (3052337131), we get a palindrome (4369669634).

The spelling of 1317332503 in words is "one billion, three hundred seventeen million, three hundred thirty-two thousand, five hundred three".