30230331002821 has 2 divisors, whose sum is σ = 30230331002822. Its totient is φ = 30230331002820.

The previous prime is 30230331002789. The next prime is 30230331002827. The reversal of 30230331002821 is 12820013303203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25808289794596 + 4422041208225 = 5080186^2 + 2102865^2 .

It is a cyclic number.

It is not a de Polignac number, because 30230331002821 - 2⁵ = 30230331002789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30230331002821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30230331002827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115165501410 + 15115165501411.

It is an arithmetic number, because the mean of its divisors is an integer number (15115165501411).

Almost surely, 2^{30230331002821} is an apocalyptic number.

It is an amenable number.

30230331002821 is a deficient number, since it is larger than the sum of its proper divisors (1).

30230331002821 is an equidigital number, since it uses as much as digits as its factorization.

30230331002821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 30230331002821 in words is "thirty trillion, two hundred thirty billion, three hundred thirty-one million, two thousand, eight hundred twenty-one".