32003313221 has 16 divisors (see below), whose sum is σ = 35730434880. Its totient is φ = 28420360320.

The previous prime is 32003313217. The next prime is 32003313241. The reversal of 32003313221 is 12231330023.

It is not a de Polignac number, because 32003313221 - 2² = 32003313217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32003313193 and 32003313202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32003313211) 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, 115670 + ... + 278183.

It is an arithmetic number, because the mean of its divisors is an integer number (2233152180).

Almost surely, 2^32003313221 is an apocalyptic number.

It is an amenable number.

32003313221 is a deficient number, since it is larger than the sum of its proper divisors (3727121659).

32003313221 is a wasteful number, since it uses less digits than its factorization.

32003313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394036.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32003313221 its reverse (12231330023), we get a palindrome (44234643244).

The spelling of 32003313221 in words is "thirty-two billion, three million, three hundred thirteen thousand, two hundred twenty-one".