32131000100 has 72 divisors (see below), whose sum is σ = 71646331008. Its totient is φ = 12501475200.

The previous prime is 32131000091. The next prime is 32131000163. The reversal of 32131000100 is 100013123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 745130 + ... + 787070.

Almost surely, 2^32131000100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32131000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35823165504).

32131000100 is an abundant number, since it is smaller than the sum of its proper divisors (39515330908).

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

32131000100 is a wasteful number, since it uses less digits than its factorization.

32131000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42165 (or 42158 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 32131000100 its reverse (100013123), we get a palindrome (32231013223).

The spelling of 32131000100 in words is "thirty-two billion, one hundred thirty-one million, one hundred", and thus it is an aban number.