32031312112 has 40 divisors (see below), whose sum is σ = 65268965376. Its totient is φ = 15198676416.

The previous prime is 32031312091. The next prime is 32031312119. The reversal of 32031312112 is 21121313023.

It is a self number, because there is not a number n which added to its sum of digits gives 32031312112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32031312119) 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, 295948 + ... + 389419.

Almost surely, 2^32031312112 is an apocalyptic number.

It is an amenable number.

32031312112 is an abundant number, since it is smaller than the sum of its proper divisors (33237653264).

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

32031312112 is a wasteful number, since it uses less digits than its factorization.

32031312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685525 (or 685519 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 32031312112 its reverse (21121313023), we get a palindrome (53152625135).

The spelling of 32031312112 in words is "thirty-two billion, thirty-one million, three hundred twelve thousand, one hundred twelve".