30020938548311 has 2 divisors, whose sum is σ = 30020938548312. Its totient is φ = 30020938548310.

The previous prime is 30020938548287. The next prime is 30020938548313. The reversal of 30020938548311 is 11384583902003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30020938548311 - 2¹⁸ = 30020938286167 is a prime.

It is a Sophie Germain prime.

Together with 30020938548313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020938548313) 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, 15010469274155 + 15010469274156.

It is an arithmetic number, because the mean of its divisors is an integer number (15010469274156).

Almost surely, 2^{30020938548311} is an apocalyptic number.

30020938548311 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020938548311 is an equidigital number, since it uses as much as digits as its factorization.

30020938548311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 30020938548311 in words is "thirty trillion, twenty billion, nine hundred thirty-eight million, five hundred forty-eight thousand, three hundred eleven".