2103312943 has 2 divisors, whose sum is σ = 2103312944. Its totient is φ = 2103312942.

The previous prime is 2103312919. The next prime is 2103313021. The reversal of 2103312943 is 3492133012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103312943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103310943) 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, 1051656471 + 1051656472.

It is an arithmetic number, because the mean of its divisors is an integer number (1051656472).

Almost surely, 2^2103312943 is an apocalyptic number.

2103312943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103312943 is an equidigital number, since it uses as much as digits as its factorization.

2103312943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2103312943 is about 45861.8898760180. The cubic root of 2103312943 is about 1281.2522216166.

Adding to 2103312943 its reverse (3492133012), we get a palindrome (5595445955).

The spelling of 2103312943 in words is "two billion, one hundred three million, three hundred twelve thousand, nine hundred forty-three".