30420444101 has 4 divisors (see below), whose sum is σ = 30499871232. Its totient is φ = 30341016972.

The previous prime is 30420444097. The next prime is 30420444143. The reversal of 30420444101 is 10144402403.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 30420444101 - 2² = 30420444097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420444151) 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 in 3 ways as a sum of consecutive naturals, for example, 39712991 + ... + 39713756.

It is an arithmetic number, because the mean of its divisors is an integer number (7624967808).

Almost surely, 2^30420444101 is an apocalyptic number.

It is an amenable number.

30420444101 is a deficient number, since it is larger than the sum of its proper divisors (79427131).

30420444101 is an equidigital number, since it uses as much as digits as its factorization.

30420444101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79427130.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 30420444101 its reverse (10144402403), we get a palindrome (40564846504).

The spelling of 30420444101 in words is "thirty billion, four hundred twenty million, four hundred forty-four thousand, one hundred one".