3130332221 has 2 divisors, whose sum is σ = 3130332222. Its totient is φ = 3130332220.

The previous prime is 3130332169. The next prime is 3130332241. The reversal of 3130332221 is 1222330313.

3130332221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3130332241) can be obtained adding 3130332221 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2882616100 + 247716121 = 53690^2 + 15739^2 .

It is an emirp because it is prime and its reverse (1222330313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3130332221 - 2²⁶ = 3063223357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3130332193 and 3130332202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130332241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565166110 + 1565166111.

It is an arithmetic number, because the mean of its divisors is an integer number (1565166111).

Almost surely, 2^3130332221 is an apocalyptic number.

It is an amenable number.

3130332221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130332221 is an equidigital number, since it uses as much as digits as its factorization.

3130332221 is an evil number, because the sum of its binary digits is even.

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

The square root of 3130332221 is about 55949.3719446430. The cubic root of 3130332221 is about 1462.8399437304.

Adding to 3130332221 its reverse (1222330313), we get a palindrome (4352662534).

The spelling of 3130332221 in words is "three billion, one hundred thirty million, three hundred thirty-two thousand, two hundred twenty-one".