1317032879 has 2 divisors, whose sum is σ = 1317032880. Its totient is φ = 1317032878.

The previous prime is 1317032867. The next prime is 1317032887. The reversal of 1317032879 is 9782307131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1317032879 - 2⁸ = 1317032623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317032809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658516439 + 658516440.

It is an arithmetic number, because the mean of its divisors is an integer number (658516440).

Almost surely, 2^1317032879 is an apocalyptic number.

1317032879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317032879 is an equidigital number, since it uses as much as digits as its factorization.

1317032879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1317032879 is about 36290.9476178289. The cubic root of 1317032879 is about 1096.1387704014.

The spelling of 1317032879 in words is "one billion, three hundred seventeen million, thirty-two thousand, eight hundred seventy-nine".