32131112100 has 36 divisors (see below), whose sum is σ = 92966018544. Its totient is φ = 8568296480.

The previous prime is 32131112099. The next prime is 32131112129. The reversal of 32131112100 is 121113123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32131112100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53551554 + ... + 53552153.

It is an arithmetic number, because the mean of its divisors is an integer number (2582389404).

Almost surely, 2^32131112100 is an apocalyptic number.

32131112100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32131112100 is an abundant number, since it is smaller than the sum of its proper divisors (60834906444).

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

32131112100 is a wasteful number, since it uses less digits than its factorization.

32131112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107103724 (or 107103717 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 32131112100 its reverse (121113123), we get a palindrome (32252225223).

The spelling of 32131112100 in words is "thirty-two billion, one hundred thirty-one million, one hundred twelve thousand, one hundred".