2103313212317 has 2 divisors, whose sum is σ = 2103313212318. Its totient is φ = 2103313212316.

The previous prime is 2103313212313. The next prime is 2103313212323. The reversal of 2103313212317 is 7132123133012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2062342999396 + 40970212921 = 1436086^2 + 202411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103313212317 - 2² = 2103313212313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103313212317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103313212313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051656606158 + 1051656606159.

It is an arithmetic number, because the mean of its divisors is an integer number (1051656606159).

Almost surely, 2^{2103313212317} is an apocalyptic number.

It is an amenable number.

2103313212317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103313212317 is an equidigital number, since it uses as much as digits as its factorization.

2103313212317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 2103313212317 its reverse (7132123133012), we get a palindrome (9235436345329).

The spelling of 2103313212317 in words is "two trillion, one hundred three billion, three hundred thirteen million, two hundred twelve thousand, three hundred seventeen".