3120303221 has 8 divisors (see below), whose sum is σ = 3568808064. Its totient is φ = 2672485200.

The previous prime is 3120303217. The next prime is 3120303223. The reversal of 3120303221 is 1223030213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3120303221 - 2² = 3120303217 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 3120303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120303223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161930 + ... + 180171.

It is an arithmetic number, because the mean of its divisors is an integer number (446101008).

Almost surely, 2^3120303221 is an apocalyptic number.

It is an amenable number.

3120303221 is a deficient number, since it is larger than the sum of its proper divisors (448504843).

3120303221 is a wasteful number, since it uses less digits than its factorization.

3120303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343411.

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

The square root of 3120303221 is about 55859.6743724845. The cubic root of 3120303221 is about 1461.2760503766.

Adding to 3120303221 its reverse (1223030213), we get a palindrome (4343333434).

The spelling of 3120303221 in words is "three billion, one hundred twenty million, three hundred three thousand, two hundred twenty-one".