30320121003209 has 2 divisors, whose sum is σ = 30320121003210. Its totient is φ = 30320121003208.

The previous prime is 30320121003199. The next prime is 30320121003269. The reversal of 30320121003209 is 90230012102303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28830757047184 + 1489363956025 = 5369428^2 + 1220395^2 .

It is an emirp because it is prime and its reverse (90230012102303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30320121003209 is a prime.

It is not a weakly prime, because it can be changed into another prime (30320121003269) 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, 15160060501604 + 15160060501605.

It is an arithmetic number, because the mean of its divisors is an integer number (15160060501605).

Almost surely, 2^{30320121003209} is an apocalyptic number.

It is an amenable number.

30320121003209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30320121003209 is an equidigital number, since it uses as much as digits as its factorization.

30320121003209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 30320121003209 in words is "thirty trillion, three hundred twenty billion, one hundred twenty-one million, three thousand, two hundred nine".