2104032321 has 16 divisors (see below), whose sum is σ = 3154643520. Its totient is φ = 1385786880.

The previous prime is 2104032277. The next prime is 2104032361. The reversal of 2104032321 is 1232304012.

It is not a de Polignac number, because 2104032321 - 2¹¹ = 2104030273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104032294 and 2104032303.

It is not an unprimeable number, because it can be changed into a prime (2104032361) 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 15 ways as a sum of consecutive naturals, for example, 467200 + ... + 471681.

It is an arithmetic number, because the mean of its divisors is an integer number (197165220).

Almost surely, 2^2104032321 is an apocalyptic number.

It is an amenable number.

2104032321 is a deficient number, since it is larger than the sum of its proper divisors (1050611199).

2104032321 is an equidigital number, since it uses as much as digits as its factorization.

2104032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938973 (or 938967 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2104032321 is about 45869.7320790083. The cubic root of 2104032321 is about 1281.3982768518.

Adding to 2104032321 its reverse (1232304012), we get a palindrome (3336336333).

It can be divided in two parts, 21040 and 32321, that added together give a square (53361 = 231²).

The spelling of 2104032321 in words is "two billion, one hundred four million, thirty-two thousand, three hundred twenty-one".