2103020197 has 2 divisors, whose sum is σ = 2103020198. Its totient is φ = 2103020196.

The previous prime is 2103020177. The next prime is 2103020239. The reversal of 2103020197 is 7910203012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1567051396 + 535968801 = 39586^2 + 23151^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103020197 - 2⁷ = 2103020069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103020177) 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, 1051510098 + 1051510099.

It is an arithmetic number, because the mean of its divisors is an integer number (1051510099).

Almost surely, 2^2103020197 is an apocalyptic number.

It is an amenable number.

2103020197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103020197 is an equidigital number, since it uses as much as digits as its factorization.

2103020197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2103020197 is about 45858.6981607634. The cubic root of 2103020197 is about 1281.1927758952.

The spelling of 2103020197 in words is "two billion, one hundred three million, twenty thousand, one hundred ninety-seven".