1001232231 has 8 divisors (see below), whose sum is σ = 1335340800. Its totient is φ = 667305912.

The previous prime is 1001232217. The next prime is 1001232233. The reversal of 1001232231 is 1322321001.

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

It is not a de Polignac number, because 1001232231 - 2⁷ = 1001232103 is a prime.

It is a super-2 number, since 2×1001232231² = 2004931960786474722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001232231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001232233) 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, 32181 + ... + 55118.

It is an arithmetic number, because the mean of its divisors is an integer number (166917600).

Almost surely, 2^1001232231 is an apocalyptic number.

1001232231 is a deficient number, since it is larger than the sum of its proper divisors (334108569).

1001232231 is an equidigital number, since it uses as much as digits as its factorization.

1001232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91125.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1001232231 is about 31642.2538862199. The cubic root of 1001232231 is about 1000.4105750717.

Adding to 1001232231 its reverse (1322321001), we get a palindrome (2323553232).

The spelling of 1001232231 in words is "one billion, one million, two hundred thirty-two thousand, two hundred thirty-one".