30321020101 has 4 divisors (see below), whose sum is σ = 30322694304. Its totient is φ = 30319345900.

The previous prime is 30321020077. The next prime is 30321020141. The reversal of 30321020101 is 10102012303.

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: 10102012303 = 2269 ⋅4452187.

It is a cyclic number.

It is not a de Polignac number, because 30321020101 - 2⁵ = 30321020069 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 (30321020141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809635 + ... + 846256.

It is an arithmetic number, because the mean of its divisors is an integer number (7580673576).

Almost surely, 2^30321020101 is an apocalyptic number.

It is an amenable number.

30321020101 is a deficient number, since it is larger than the sum of its proper divisors (1674203).

30321020101 is a wasteful number, since it uses less digits than its factorization.

30321020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674202.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30321020101 its reverse (10102012303), we get a palindrome (40423032404).

The spelling of 30321020101 in words is "thirty billion, three hundred twenty-one million, twenty thousand, one hundred one".