201331032100 has 36 divisors (see below), whose sum is σ = 476605464048. Its totient is φ = 73211284000.

The previous prime is 201331032047. The next prime is 201331032137. The reversal of 201331032100 is 1230133102.

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, 91513006 + ... + 91515205.

It is an arithmetic number, because the mean of its divisors is an integer number (13239040668).

Almost surely, 2^201331032100 is an apocalyptic number.

201331032100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201331032100 is an abundant number, since it is smaller than the sum of its proper divisors (275274431948).

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

201331032100 is a wasteful number, since it uses less digits than its factorization.

201331032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183028236 (or 183028229 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 201331032100 its reverse (1230133102), we get a palindrome (202561165202).

The spelling of 201331032100 in words is "two hundred one billion, three hundred thirty-one million, thirty-two thousand, one hundred".