2131045043 has 2 divisors, whose sum is σ = 2131045044. Its totient is φ = 2131045042.

The previous prime is 2131045027. The next prime is 2131045057. The reversal of 2131045043 is 3405401312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131045043 - 2⁴ = 2131045027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131045843) 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, 1065522521 + 1065522522.

It is an arithmetic number, because the mean of its divisors is an integer number (1065522522).

Almost surely, 2^2131045043 is an apocalyptic number.

2131045043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131045043 is an equidigital number, since it uses as much as digits as its factorization.

2131045043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2131045043 is about 46163.2434194132. The cubic root of 2131045043 is about 1286.8587398015.

Adding to 2131045043 its reverse (3405401312), we get a palindrome (5536446355).

The spelling of 2131045043 in words is "two billion, one hundred thirty-one million, forty-five thousand, forty-three".