331003200221 has 4 divisors (see below), whose sum is σ = 331013424000. Its totient is φ = 330992976444.

The previous prime is 331003200217. The next prime is 331003200223. The reversal of 331003200221 is 122002300133.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122002300133 = 7 ⋅17428900019.

It is a cyclic number.

It is not a de Polignac number, because 331003200221 - 2² = 331003200217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331003200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331003200223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063171 + ... + 5128128.

It is an arithmetic number, because the mean of its divisors is an integer number (82753356000).

Almost surely, 2^331003200221 is an apocalyptic number.

It is an amenable number.

331003200221 is a deficient number, since it is larger than the sum of its proper divisors (10223779).

331003200221 is a wasteful number, since it uses less digits than its factorization.

331003200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223778.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 331003200221 its reverse (122002300133), we get a palindrome (453005500354).

The spelling of 331003200221 in words is "three hundred thirty-one billion, three million, two hundred thousand, two hundred twenty-one".