32131000164 has 24 divisors (see below), whose sum is σ = 75449868928. Its totient is φ = 10642114080.

The previous prime is 32131000163. The next prime is 32131000177. The reversal of 32131000164 is 46100013123.

It is a self number, because there is not a number n which added to its sum of digits gives 32131000164.

It is not an unprimeable number, because it can be changed into a prime (32131000163) 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, 8525452 + ... + 8529219.

Almost surely, 2^32131000164 is an apocalyptic number.

It is an amenable number.

32131000164 is an abundant number, since it is smaller than the sum of its proper divisors (43318868764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32131000164 is a wasteful number, since it uses less digits than its factorization.

32131000164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054835 (or 17054833 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 32131000164 its reverse (46100013123), we get a palindrome (78231013287).

The spelling of 32131000164 in words is "thirty-two billion, one hundred thirty-one million, one hundred sixty-four", and thus it is an aban number.