2003100313217 has 2 divisors, whose sum is σ = 2003100313218. Its totient is φ = 2003100313216.

The previous prime is 2003100313177. The next prime is 2003100313219. The reversal of 2003100313217 is 7123130013002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1588101519601 + 414998793616 = 1260199^2 + 644204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003100313217 is a prime.

Together with 2003100313219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003100313192 and 2003100313201.

It is not a weakly prime, because it can be changed into another prime (2003100313219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001550156608 + 1001550156609.

It is an arithmetic number, because the mean of its divisors is an integer number (1001550156609).

Almost surely, 2^{2003100313217} is an apocalyptic number.

It is an amenable number.

2003100313217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003100313217 is an equidigital number, since it uses as much as digits as its factorization.

2003100313217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 2003100313217 its reverse (7123130013002), we get a palindrome (9126230326219).

The spelling of 2003100313217 in words is "two trillion, three billion, one hundred million, three hundred thirteen thousand, two hundred seventeen".