9213032231 has 8 divisors (see below), whose sum is σ = 9922525200. Its totient is φ = 8503653312.

The previous prime is 9213032203. The next prime is 9213032281. The reversal of 9213032231 is 1322303129.

9213032231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9213032231 - 2³⁰ = 8139290407 is a prime.

It is a super-2 number, since 2×9213032231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9213032231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9213032201) 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 in 7 ways as a sum of consecutive naturals, for example, 218720 + ... + 257418.

It is an arithmetic number, because the mean of its divisors is an integer number (1240315650).

Almost surely, 2^9213032231 is an apocalyptic number.

9213032231 is a deficient number, since it is larger than the sum of its proper divisors (709492969).

9213032231 is a wasteful number, since it uses less digits than its factorization.

9213032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57025.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 9213032231 is about 95984.5416252013. The cubic root of 9213032231 is about 2096.3680404224.

The spelling of 9213032231 in words is "nine billion, two hundred thirteen million, thirty-two thousand, two hundred thirty-one".