4413312321 has 16 divisors (see below), whose sum is σ = 6454838208. Its totient is φ = 2659953600.

The previous prime is 4413312301. The next prime is 4413312373. The reversal of 4413312321 is 1232133144.

It is a happy number.

It is not a de Polignac number, because 4413312321 - 2⁷ = 4413312193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4413312291 and 4413312300.

It is not an unprimeable number, because it can be changed into a prime (4413312301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363466 + ... + 375411.

It is an arithmetic number, because the mean of its divisors is an integer number (403427388).

Almost surely, 2^4413312321 is an apocalyptic number.

It is an amenable number.

4413312321 is a deficient number, since it is larger than the sum of its proper divisors (2041525887).

4413312321 is a wasteful number, since it uses less digits than its factorization.

4413312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739072.

The product of its digits is 1728, while the sum is 24.

The square root of 4413312321 is about 66432.7654173752. The cubic root of 4413312321 is about 1640.2934633726.

Adding to 4413312321 its reverse (1232133144), we get a palindrome (5645445465).

It can be divided in two parts, 44133123 and 21, that added together give a palindrome (44133144).

The spelling of 4413312321 in words is "four billion, four hundred thirteen million, three hundred twelve thousand, three hundred twenty-one".