2130323204 has 18 divisors (see below), whose sum is σ = 3897206670. Its totient is φ = 1018849216.

The previous prime is 2130323203. The next prime is 2130323257. The reversal of 2130323204 is 4023230312.

It can be written as a sum of positive squares in only one way, i.e., 2065520704 + 64802500 = 45448^2 + 8050^2 .

It is not an unprimeable number, because it can be changed into a prime (2130323201) 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, 501269 + ... + 505500.

Almost surely, 2^2130323204 is an apocalyptic number.

It is an amenable number.

2130323204 is a deficient number, since it is larger than the sum of its proper divisors (1766883466).

2130323204 is a wasteful number, since it uses less digits than its factorization.

2130323204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006819 (or 1006794 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2130323204 is about 46155.4244266045. The cubic root of 2130323204 is about 1286.7134261630.

Adding to 2130323204 its reverse (4023230312), we get a palindrome (6153553516).

The spelling of 2130323204 in words is "two billion, one hundred thirty million, three hundred twenty-three thousand, two hundred four".