3201100331100 has 144 divisors (see below), whose sum is σ = 10618365047808. Its totient is φ = 729371784960.

The previous prime is 3201100331069. The next prime is 3201100331111. The reversal of 3201100331100 is 11330011023.

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 3201100331100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1738612 + ... + 3070011.

Almost surely, 2^{3201100331100} is an apocalyptic number.

3201100331100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3201100331100 is an abundant number, since it is smaller than the sum of its proper divisors (7417264716708).

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

3201100331100 is a wasteful number, since it uses less digits than its factorization.

3201100331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808964 (or 4808957 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 3201100331100 its reverse (11330011023), we get a palindrome (3212430342123).

The spelling of 3201100331100 in words is "three trillion, two hundred one billion, one hundred million, three hundred thirty-one thousand, one hundred".