2103130217 has 2 divisors, whose sum is σ = 2103130218. Its totient is φ = 2103130216.

The previous prime is 2103130193. The next prime is 2103130229. The reversal of 2103130217 is 7120313012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126005136 + 977125081 = 33556^2 + 31259^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103130217 - 2¹² = 2103126121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2103130247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051565108 + 1051565109.

It is an arithmetic number, because the mean of its divisors is an integer number (1051565109).

Almost surely, 2^2103130217 is an apocalyptic number.

It is an amenable number.

2103130217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103130217 is an equidigital number, since it uses as much as digits as its factorization.

2103130217 is an evil number, because the sum of its binary digits is even.

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

The square root of 2103130217 is about 45859.8976994062. The cubic root of 2103130217 is about 1281.2151174735.

Adding to 2103130217 its reverse (7120313012), we get a palindrome (9223443229).

The spelling of 2103130217 in words is "two billion, one hundred three million, one hundred thirty thousand, two hundred seventeen".