30102019999 has 4 divisors (see below), whose sum is σ = 30109092120. Its totient is φ = 30094947880.

The previous prime is 30102019951. The next prime is 30102020021. The reversal of 30102019999 is 99991020103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99991020103 = 13 ⋅7691616931.

It is a cyclic number.

It is not a de Polignac number, because 30102019999 - 2⁹ = 30102019487 is a prime.

It is a super-2 number, since 2×30102019999² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102019949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3529672 + ... + 3538189.

It is an arithmetic number, because the mean of its divisors is an integer number (7527273030).

Almost surely, 2^30102019999 is an apocalyptic number.

30102019999 is a deficient number, since it is larger than the sum of its proper divisors (7072121).

30102019999 is an equidigital number, since it uses as much as digits as its factorization.

30102019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072120.

The product of its (nonzero) digits is 39366, while the sum is 43.

The spelling of 30102019999 in words is "thirty billion, one hundred two million, nineteen thousand, nine hundred ninety-nine".