30019208101 has 4 divisors (see below), whose sum is σ = 30019874112. Its totient is φ = 30018542092.

The previous prime is 30019208077. The next prime is 30019208119. The reversal of 30019208101 is 10180291003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10180291003 = 11437 ⋅890119.

It is a cyclic number.

It is not a de Polignac number, because 30019208101 - 2³¹ = 27871724453 is a prime.

It is a super-2 number, since 2×30019208101² (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 (30019208171) 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, 260071 + ... + 357316.

It is an arithmetic number, because the mean of its divisors is an integer number (7504968528).

Almost surely, 2^30019208101 is an apocalyptic number.

It is an amenable number.

30019208101 is a deficient number, since it is larger than the sum of its proper divisors (666011).

30019208101 is an equidigital number, since it uses as much as digits as its factorization.

30019208101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666010.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 30019208101 its reverse (10180291003), we get a palindrome (40199499104).

The spelling of 30019208101 in words is "thirty billion, nineteen million, two hundred eight thousand, one hundred one".