1317130469 has 2 divisors, whose sum is σ = 1317130470. Its totient is φ = 1317130468.

The previous prime is 1317130427. The next prime is 1317130481. The reversal of 1317130469 is 9640317131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950982244 + 366148225 = 30838^2 + 19135^2 .

It is an emirp because it is prime and its reverse (9640317131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317130469 is a prime.

It is a super-2 number, since 2×1317130469² = 3469665344736319922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317130769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658565234 + 658565235.

It is an arithmetic number, because the mean of its divisors is an integer number (658565235).

Almost surely, 2^1317130469 is an apocalyptic number.

It is an amenable number.

1317130469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317130469 is an equidigital number, since it uses as much as digits as its factorization.

1317130469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1317130469 is about 36292.2921430984. The cubic root of 1317130469 is about 1096.1658437677.

The spelling of 1317130469 in words is "one billion, three hundred seventeen million, one hundred thirty thousand, four hundred sixty-nine".