2031322099 has 2 divisors, whose sum is σ = 2031322100. Its totient is φ = 2031322098.

The previous prime is 2031322087. The next prime is 2031322121. The reversal of 2031322099 is 9902231302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031322099 - 2⁹ = 2031321587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031322099.

It is not a weakly prime, because it can be changed into another prime (2031322009) 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, 1015661049 + 1015661050.

It is an arithmetic number, because the mean of its divisors is an integer number (1015661050).

Almost surely, 2^2031322099 is an apocalyptic number.

2031322099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031322099 is an equidigital number, since it uses as much as digits as its factorization.

2031322099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2031322099 is about 45070.1908027912. The cubic root of 2031322099 is about 1266.4642387579.

The spelling of 2031322099 in words is "two billion, thirty-one million, three hundred twenty-two thousand, ninety-nine".