2131204841 has 2 divisors, whose sum is σ = 2131204842. Its totient is φ = 2131204840.

The previous prime is 2131204807. The next prime is 2131204849. The reversal of 2131204841 is 1484021312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2051727616 + 79477225 = 45296^2 + 8915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131204841 - 2¹⁰ = 2131203817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131204841.

It is not a weakly prime, because it can be changed into another prime (2131204849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065602420 + 1065602421.

It is an arithmetic number, because the mean of its divisors is an integer number (1065602421).

Almost surely, 2^2131204841 is an apocalyptic number.

It is an amenable number.

2131204841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131204841 is an equidigital number, since it uses as much as digits as its factorization.

2131204841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2131204841 is about 46164.9741795660. The cubic root of 2131204841 is about 1286.8909043513.

The spelling of 2131204841 in words is "two billion, one hundred thirty-one million, two hundred four thousand, eight hundred forty-one".