32728234231 has 16 divisors (see below), whose sum is σ = 40812583680. Its totient is φ = 25497175680.

The previous prime is 32728234213. The next prime is 32728234243. The reversal of 32728234231 is 13243282723.

It is a cyclic number.

It is not a de Polignac number, because 32728234231 - 2¹¹ = 32728232183 is a prime.

It is a super-2 number, since 2×32728234231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32728232231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347535 + ... + 431551.

It is an arithmetic number, because the mean of its divisors is an integer number (2550786480).

Almost surely, 2^32728234231 is an apocalyptic number.

32728234231 is a deficient number, since it is larger than the sum of its proper divisors (8084349449).

32728234231 is a wasteful number, since it uses less digits than its factorization.

32728234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89094.

The product of its digits is 96768, while the sum is 37.

The spelling of 32728234231 in words is "thirty-two billion, seven hundred twenty-eight million, two hundred thirty-four thousand, two hundred thirty-one".