30100020019 has 2 divisors, whose sum is σ = 30100020020. Its totient is φ = 30100020018.

The previous prime is 30100020017. The next prime is 30100020037. The reversal of 30100020019 is 91002000103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30100020019 - 2¹ = 30100020017 is a prime.

It is a super-2 number, since 2×30100020019² (a number of 22 digits) contains 22 as substring.

Together with 30100020017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30100019984 and 30100020011.

It is not a weakly prime, because it can be changed into another prime (30100020017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050010009 + 15050010010.

It is an arithmetic number, because the mean of its divisors is an integer number (15050010010).

Almost surely, 2^30100020019 is an apocalyptic number.

30100020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

30100020019 is an equidigital number, since it uses as much as digits as its factorization.

30100020019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The spelling of 30100020019 in words is "thirty billion, one hundred million, twenty thousand, nineteen".