2103231330 has 192 divisors, whose sum is σ = 6067402848. Its totient is φ = 503193600.

The previous prime is 2103231311. The next prime is 2103231337. The reversal of 2103231330 is 331323012.

2103231330 is a `hidden beast` number, since 2 + 10 + 323 + 1 + 330 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 1516089969 + 587141361 = 38937^2 + 24231^2 .

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 (2103231337) 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 95 ways as a sum of consecutive naturals, for example, 2999980 + ... + 3000680.

Almost surely, 2^2103231330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103231330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3033701424).

2103231330 is an abundant number, since it is smaller than the sum of its proper divisors (3964171518).

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

2103231330 is a wasteful number, since it uses less digits than its factorization.

2103231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2103231330 is about 45861.0000981226. Note that the first 4 decimals coincide. The cubic root of 2103231330 is about 1281.2356496350.

Adding to 2103231330 its reverse (331323012), we get a palindrome (2434554342).

The spelling of 2103231330 in words is "two billion, one hundred three million, two hundred thirty-one thousand, three hundred thirty".