32081231 has 12 divisors (see below), whose sum is σ = 40190472. Its totient is φ = 25382448.

The previous prime is 32081167. The next prime is 32081233. The reversal of 32081231 is 13218023.

It is not a de Polignac number, because 32081231 - 2⁶ = 32081167 is a prime.

It is a super-2 number, since 2×32081231² = 2058410764950722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32081233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24545 + ... + 25818.

It is an arithmetic number, because the mean of its divisors is an integer number (3349206).

Almost surely, 2^32081231 is an apocalyptic number.

32081231 is a deficient number, since it is larger than the sum of its proper divisors (8109241).

32081231 is a wasteful number, since it uses less digits than its factorization.

32081231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50390 (or 50383 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 32081231 is about 5664.0295726629. The cubic root of 32081231 is about 317.7486212683.

Adding to 32081231 its reverse (13218023), we get a palindrome (45299254).

The spelling of 32081231 in words is "thirty-two million, eighty-one thousand, two hundred thirty-one".