3130330221 has 24 divisors (see below), whose sum is σ = 4544748000. Its totient is φ = 2076228000.

The previous prime is 3130330201. The next prime is 3130330243. The reversal of 3130330221 is 1220330313.

3130330221 is a `hidden beast` number, since 313 + 0 + 330 + 2 + 21 = 666.

3130330221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3130330221 - 2¹⁰ = 3130329197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3130330194 and 3130330203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130330201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2087530 + ... + 2089028.

It is an arithmetic number, because the mean of its divisors is an integer number (189364500).

Almost surely, 2^3130330221 is an apocalyptic number.

It is an amenable number.

3130330221 is a deficient number, since it is larger than the sum of its proper divisors (1414417779).

3130330221 is a wasteful number, since it uses less digits than its factorization.

3130330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2534 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3130330221 is about 55949.3540713385. The cubic root of 3130330221 is about 1462.8396321894.

Adding to 3130330221 its reverse (1220330313), we get a palindrome (4350660534).

The spelling of 3130330221 in words is "three billion, one hundred thirty million, three hundred thirty thousand, two hundred twenty-one".