2101031329 has 2 divisors, whose sum is σ = 2101031330. Its totient is φ = 2101031328.

The previous prime is 2101031311. The next prime is 2101031333. The reversal of 2101031329 is 9231301012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1793099025 + 307932304 = 42345^2 + 17548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101031329 - 2⁹ = 2101030817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101031399) 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, 1050515664 + 1050515665.

It is an arithmetic number, because the mean of its divisors is an integer number (1050515665).

Almost surely, 2^2101031329 is an apocalyptic number.

It is an amenable number.

2101031329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101031329 is an equidigital number, since it uses as much as digits as its factorization.

2101031329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2101031329 is about 45837.0082902451. The cubic root of 2101031329 is about 1280.7887653504.

The spelling of 2101031329 in words is "two billion, one hundred one million, thirty-one thousand, three hundred twenty-nine".