9131002213 has 2 divisors, whose sum is σ = 9131002214. Its totient is φ = 9131002212.

The previous prime is 9131002207. The next prime is 9131002249. The reversal of 9131002213 is 3122001319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9117767169 + 13235044 = 95487^2 + 3638^2 .

It is an emirp because it is prime and its reverse (3122001319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9131002213 - 2⁹ = 9131001701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9131002513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4565501106 + 4565501107.

It is an arithmetic number, because the mean of its divisors is an integer number (4565501107).

Almost surely, 2^9131002213 is an apocalyptic number.

It is an amenable number.

9131002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9131002213 is an equidigital number, since it uses as much as digits as its factorization.

9131002213 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 9131002213 is about 95556.2777267930. The cubic root of 9131002213 is about 2090.1276764718.

The spelling of 9131002213 in words is "nine billion, one hundred thirty-one million, two thousand, two hundred thirteen".