2100321232 has 10 divisors (see below), whose sum is σ = 4069372418. Its totient is φ = 1050160608.

The previous prime is 2100321229. The next prime is 2100321233. The reversal of 2100321232 is 2321230012.

It can be written as a sum of positive squares in only one way, i.e., 1766016576 + 334304656 = 42024^2 + 18284^2 .

It is a super-2 number, since 2×2100321232² = 8822698555179995648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 131270077 = 2100321232 / (2 + 1 + 0 + 0 + 3 + 2 + 1 + 2 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100321233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65635023 + ... + 65635054.

Almost surely, 2^2100321232 is an apocalyptic number.

It is an amenable number.

2100321232 is a deficient number, since it is larger than the sum of its proper divisors (1969051186).

2100321232 is a wasteful number, since it uses less digits than its factorization.

2100321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131270085 (or 131270079 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2100321232 is about 45829.2617439993. The cubic root of 2100321232 is about 1280.6444573737.

Adding to 2100321232 its reverse (2321230012), we get a palindrome (4421551244).

The spelling of 2100321232 in words is "two billion, one hundred million, three hundred twenty-one thousand, two hundred thirty-two".