2103101249 has 2 divisors, whose sum is σ = 2103101250. Its totient is φ = 2103101248.

The previous prime is 2103101243. The next prime is 2103101261. The reversal of 2103101249 is 9421013012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1475097649 + 628003600 = 38407^2 + 25060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103101249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2103101243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051550624 + 1051550625.

It is an arithmetic number, because the mean of its divisors is an integer number (1051550625).

Almost surely, 2^2103101249 is an apocalyptic number.

It is an amenable number.

2103101249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103101249 is an equidigital number, since it uses as much as digits as its factorization.

2103101249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2103101249 is about 45859.5818668247. The cubic root of 2103101249 is about 1281.2092350655.

The spelling of 2103101249 in words is "two billion, one hundred three million, one hundred one thousand, two hundred forty-nine".