9000099131 has 2 divisors, whose sum is σ = 9000099132. Its totient is φ = 9000099130.

The previous prime is 9000099083. The next prime is 9000099139. The reversal of 9000099131 is 1319900009.

9000099131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9000099131 - 2¹⁸ = 8999836987 is a prime.

It is a super-2 number, since 2×9000099131² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9000099139) 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, 4500049565 + 4500049566.

It is an arithmetic number, because the mean of its divisors is an integer number (4500049566).

Almost surely, 2^9000099131 is an apocalyptic number.

9000099131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9000099131 is an equidigital number, since it uses as much as digits as its factorization.

9000099131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 9000099131 is about 94868.8522698573. The cubic root of 9000099131 is about 2080.0914600901.

The spelling of 9000099131 in words is "nine billion, ninety-nine thousand, one hundred thirty-one".