22031113009 has 2 divisors, whose sum is σ = 22031113010. Its totient is φ = 22031113008.

The previous prime is 22031113001. The next prime is 22031113043. The reversal of 22031113009 is 90031113022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18298513984 + 3732599025 = 135272^2 + 61095^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031113009 - 2³ = 22031113001 is a prime.

It is not a weakly prime, because it can be changed into another prime (22031113001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015556504 + 11015556505.

It is an arithmetic number, because the mean of its divisors is an integer number (11015556505).

Almost surely, 2^22031113009 is an apocalyptic number.

It is an amenable number.

22031113009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031113009 is an equidigital number, since it uses as much as digits as its factorization.

22031113009 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 spelling of 22031113009 in words is "twenty-two billion, thirty-one million, one hundred thirteen thousand, nine".