9131138317 has 8 divisors (see below), whose sum is σ = 10444507712. Its totient is φ = 7819999200.

The previous prime is 9131138197. The next prime is 9131138321. The reversal of 9131138317 is 7138311319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9131138317 - 2¹¹ = 9131136269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9131138117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548784 + ... + 565177.

It is an arithmetic number, because the mean of its divisors is an integer number (1305563464).

Almost surely, 2^9131138317 is an apocalyptic number.

It is an amenable number.

9131138317 is a deficient number, since it is larger than the sum of its proper divisors (1313369395).

9131138317 is a wasteful number, since it uses less digits than its factorization.

9131138317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115139.

The product of its digits is 13608, while the sum is 37.

The square root of 9131138317 is about 95556.9898908500. The cubic root of 9131138317 is about 2090.1380613604.

The spelling of 9131138317 in words is "nine billion, one hundred thirty-one million, one hundred thirty-eight thousand, three hundred seventeen".