9131010131 has 4 divisors (see below), whose sum is σ = 9668128392. Its totient is φ = 8593891872.

The previous prime is 9131010113. The next prime is 9131010137. The reversal of 9131010131 is 1310101319.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9131010131 - 2⁶ = 9131010067 is a prime.

It is a super-2 number, since 2×9131010131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9131010137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268559105 + ... + 268559138.

It is an arithmetic number, because the mean of its divisors is an integer number (2417032098).

Almost surely, 2^9131010131 is an apocalyptic number.

9131010131 is a deficient number, since it is larger than the sum of its proper divisors (537118261).

9131010131 is a wasteful number, since it uses less digits than its factorization.

9131010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537118260.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 9131010131 is about 95556.3191578663. The cubic root of 9131010131 is about 2090.1282806269.

The spelling of 9131010131 in words is "nine billion, one hundred thirty-one million, ten thousand, one hundred thirty-one".