1315430317 has 2 divisors, whose sum is σ = 1315430318. Its totient is φ = 1315430316.

The previous prime is 1315430261. The next prime is 1315430353. The reversal of 1315430317 is 7130345131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1268356996 + 47073321 = 35614^2 + 6861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315430317 - 2¹⁹ = 1314906029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315430387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657715158 + 657715159.

It is an arithmetic number, because the mean of its divisors is an integer number (657715159).

Almost surely, 2^1315430317 is an apocalyptic number.

It is an amenable number.

1315430317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315430317 is an equidigital number, since it uses as much as digits as its factorization.

1315430317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1315430317 is about 36268.8615343796. The cubic root of 1315430317 is about 1095.6939970684.

Adding to 1315430317 its reverse (7130345131), we get a palindrome (8445775448).

The spelling of 1315430317 in words is "one billion, three hundred fifteen million, four hundred thirty thousand, three hundred seventeen".