330350130821 has 2 divisors, whose sum is σ = 330350130822. Its totient is φ = 330350130820.

The previous prime is 330350130811. The next prime is 330350130881. The reversal of 330350130821 is 128031053033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330296181796 + 53949025 = 574714^2 + 7345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330350130821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330350130811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165175065410 + 165175065411.

It is an arithmetic number, because the mean of its divisors is an integer number (165175065411).

Almost surely, 2^330350130821 is an apocalyptic number.

It is an amenable number.

330350130821 is a deficient number, since it is larger than the sum of its proper divisors (1).

330350130821 is an equidigital number, since it uses as much as digits as its factorization.

330350130821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 330350130821 its reverse (128031053033), we get a palindrome (458381183854).

The spelling of 330350130821 in words is "three hundred thirty billion, three hundred fifty million, one hundred thirty thousand, eight hundred twenty-one".