32001012231 has 8 divisors (see below), whose sum is σ = 42859353600. Its totient is φ = 21238339512.

The previous prime is 32001012167. The next prime is 32001012233. The reversal of 32001012231 is 13221010023.

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

It is not a de Polignac number, because 32001012231 - 2⁶ = 32001012167 is a prime.

It is a super-2 number, since 2×32001012231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32001012231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001012233) 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, 23916381 + ... + 23917718.

It is an arithmetic number, because the mean of its divisors is an integer number (5357419200).

Almost surely, 2^32001012231 is an apocalyptic number.

32001012231 is a deficient number, since it is larger than the sum of its proper divisors (10858341369).

32001012231 is a wasteful number, since it uses less digits than its factorization.

32001012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47834325.

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

Adding to 32001012231 its reverse (13221010023), we get a palindrome (45222022254).

The spelling of 32001012231 in words is "thirty-two billion, one million, twelve thousand, two hundred thirty-one".