2102331312 has 30 divisors (see below), whose sum is σ = 5883608172. Its totient is φ = 700777056.

The previous prime is 2102331289. The next prime is 2102331313. The reversal of 2102331312 is 2131332012.

2102331312 is a `hidden beast` number, since 21 + 0 + 2 + 331 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2102331313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7299618 + ... + 7299905.

Almost surely, 2^2102331312 is an apocalyptic number.

It is an amenable number.

2102331312 is an abundant number, since it is smaller than the sum of its proper divisors (3781276860).

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

2102331312 is a wasteful number, since it uses less digits than its factorization.

2102331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14599537 (or 14599528 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2102331312 is about 45851.1865931515. The cubic root of 2102331312 is about 1281.0528674475.

Adding to 2102331312 its reverse (2131332012), we get a palindrome (4233663324).

The spelling of 2102331312 in words is "two billion, one hundred two million, three hundred thirty-one thousand, three hundred twelve".