2100331232 has 24 divisors (see below), whose sum is σ = 4378265136. Its totient is φ = 988390912.

The previous prime is 2100331229. The next prime is 2100331237. The reversal of 2100331232 is 2321330012.

It is a super-2 number, since 2×2100331232² = 8822782568229275648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2100331232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100331237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929908 + ... + 1930995.

It is an arithmetic number, because the mean of its divisors is an integer number (182427714).

Almost surely, 2^2100331232 is an apocalyptic number.

It is an amenable number.

2100331232 is an abundant number, since it is smaller than the sum of its proper divisors (2277933904).

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

2100331232 is a wasteful number, since it uses less digits than its factorization.

2100331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860930 (or 3860922 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2100331232 is about 45829.3708444705. The cubic root of 2100331232 is about 1280.6464898285.

Adding to 2100331232 its reverse (2321330012), we get a palindrome (4421661244).

The spelling of 2100331232 in words is "two billion, one hundred million, three hundred thirty-one thousand, two hundred thirty-two".