2141131009 has 2 divisors, whose sum is σ = 2141131010. Its totient is φ = 2141131008.

The previous prime is 2141130991. The next prime is 2141131037. The reversal of 2141131009 is 9001311412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1881824400 + 259306609 = 43380^2 + 16103^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141131009 - 2¹⁵ = 2141098241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2141131039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070565504 + 1070565505.

It is an arithmetic number, because the mean of its divisors is an integer number (1070565505).

Almost surely, 2^2141131009 is an apocalyptic number.

It is an amenable number.

2141131009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141131009 is an equidigital number, since it uses as much as digits as its factorization.

2141131009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 2141131009 is about 46272.3568559026. The cubic root of 2141131009 is about 1288.8857250883.

The spelling of 2141131009 in words is "two billion, one hundred forty-one million, one hundred thirty-one thousand, nine".