2011310129 has 2 divisors, whose sum is σ = 2011310130. Its totient is φ = 2011310128.

The previous prime is 2011310111. The next prime is 2011310207. The reversal of 2011310129 is 9210131102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1930723600 + 80586529 = 43940^2 + 8977^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011310129 - 2¹⁶ = 2011244593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011310129.

It is not a weakly prime, because it can be changed into another prime (2011310729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005655064 + 1005655065.

It is an arithmetic number, because the mean of its divisors is an integer number (1005655065).

Almost surely, 2^2011310129 is an apocalyptic number.

It is an amenable number.

2011310129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011310129 is an equidigital number, since it uses as much as digits as its factorization.

2011310129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2011310129 is about 44847.6323678296. The cubic root of 2011310129 is about 1262.2915652894.

The spelling of 2011310129 in words is "two billion, eleven million, three hundred ten thousand, one hundred twenty-nine".