1002312317 has 2 divisors, whose sum is σ = 1002312318. Its totient is φ = 1002312316.

The previous prime is 1002312257. The next prime is 1002312319. The reversal of 1002312317 is 7132132001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976312516 + 25999801 = 31246^2 + 5099^2 .

It is an emirp because it is prime and its reverse (7132132001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002312317 - 2⁶ = 1002312253 is a prime.

Together with 1002312319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002312319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501156158 + 501156159.

It is an arithmetic number, because the mean of its divisors is an integer number (501156159).

Almost surely, 2^1002312317 is an apocalyptic number.

It is an amenable number.

1002312317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002312317 is an equidigital number, since it uses as much as digits as its factorization.

1002312317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1002312317 is about 31659.3164329238. The cubic root of 1002312317 is about 1000.7701790053.

Adding to 1002312317 its reverse (7132132001), we get a palindrome (8134444318).

The spelling of 1002312317 in words is "one billion, two million, three hundred twelve thousand, three hundred seventeen".