2103843061 has 2 divisors, whose sum is σ = 2103843062. Its totient is φ = 2103843060.

The previous prime is 2103843059. The next prime is 2103843067. The reversal of 2103843061 is 1603483012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2090226961 + 13616100 = 45719^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103843061 - 2¹ = 2103843059 is a prime.

Together with 2103843059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103843067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051921530 + 1051921531.

It is an arithmetic number, because the mean of its divisors is an integer number (1051921531).

Almost surely, 2^2103843061 is an apocalyptic number.

It is an amenable number.

2103843061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103843061 is an equidigital number, since it uses as much as digits as its factorization.

2103843061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2103843061 is about 45867.6690164216. The cubic root of 2103843061 is about 1281.3598546426.

The spelling of 2103843061 in words is "two billion, one hundred three million, eight hundred forty-three thousand, sixty-one".