9231231 has 8 divisors (see below), whose sum is σ = 12331440. Its totient is φ = 6142592.

The previous prime is 9231217. The next prime is 9231247. The reversal of 9231231 is 1321329.

It is a happy number.

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 9231231 - 2¹⁴ = 9214847 is a prime.

It is a super-2 number, since 2×9231231² = 170431251550722, which contains 22 as substring.

9231231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9231198 and 9231207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9231281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (1541430).

Almost surely, 2^9231231 is an apocalyptic number.

9231231 is a deficient number, since it is larger than the sum of its proper divisors (3100209).

9231231 is a wasteful number, since it uses less digits than its factorization.

9231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785.

The product of its digits is 324, while the sum is 21.

The square root of 9231231 is about 3038.2940937309. The cubic root of 9231231 is about 209.7747471349.

The spelling of 9231231 in words is "nine million, two hundred thirty-one thousand, two hundred thirty-one".