3130233330221 has 2 divisors, whose sum is σ = 3130233330222. Its totient is φ = 3130233330220.

The previous prime is 3130233330197. The next prime is 3130233330251. The reversal of 3130233330221 is 1220333320313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2168804054596 + 961429275625 = 1472686^2 + 980525^2 .

It is an emirp because it is prime and its reverse (1220333320313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3130233330221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130233330251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565116665110 + 1565116665111.

It is an arithmetic number, because the mean of its divisors is an integer number (1565116665111).

Almost surely, 2^{3130233330221} is an apocalyptic number.

It is an amenable number.

3130233330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130233330221 is an equidigital number, since it uses as much as digits as its factorization.

3130233330221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 3130233330221 its reverse (1220333320313), we get a palindrome (4350566650534).

The spelling of 3130233330221 in words is "three trillion, one hundred thirty billion, two hundred thirty-three million, three hundred thirty thousand, two hundred twenty-one".