3200040321 has 4 divisors (see below), whose sum is σ = 4266720432. Its totient is φ = 2133360212.

The previous prime is 3200040313. The next prime is 3200040341. The reversal of 3200040321 is 1230400023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3200040321 - 2³ = 3200040313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3200040321.

It is not an unprimeable number, because it can be changed into a prime (3200040341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533340051 + ... + 533340056.

It is an arithmetic number, because the mean of its divisors is an integer number (1066680108).

Almost surely, 2^3200040321 is an apocalyptic number.

It is an amenable number.

3200040321 is a deficient number, since it is larger than the sum of its proper divisors (1066680111).

3200040321 is a wasteful number, since it uses less digits than its factorization.

3200040321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066680110.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3200040321 is about 56568.8988844577. The cubic root of 3200040321 is about 1473.6187887566.

Adding to 3200040321 its reverse (1230400023), we get a palindrome (4430440344).

The spelling of 3200040321 in words is "three billion, two hundred million, forty thousand, three hundred twenty-one".