3201002100 has 54 divisors (see below), whose sum is σ = 10033366070. Its totient is φ = 853600320.

The previous prime is 3201002093. The next prime is 3201002113. The reversal of 3201002100 is 12001023.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 106750224 + 3094251876 = 10332^2 + 55626^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1777435 + ... + 1779234.

Almost surely, 2^3201002100 is an apocalyptic number.

3201002100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3201002100 is an abundant number, since it is smaller than the sum of its proper divisors (6832363970).

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

3201002100 is a wasteful number, since it uses less digits than its factorization.

3201002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556689 (or 3556679 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 3201002100 is about 56577.3991979129. The cubic root of 3201002100 is about 1473.7664070672.

Adding to 3201002100 its reverse (12001023), we get a palindrome (3213003123).

The spelling of 3201002100 in words is "three billion, two hundred one million, two thousand, one hundred".