30320132021 has 4 divisors (see below), whose sum is σ = 30322259712. Its totient is φ = 30318004332.

The previous prime is 30320131987. The next prime is 30320132033. The reversal of 30320132021 is 12023102303.

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 30320132021 - 2⁶ = 30320131957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320138021) 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, 1042325 + ... + 1071018.

It is an arithmetic number, because the mean of its divisors is an integer number (7580564928).

Almost surely, 2^30320132021 is an apocalyptic number.

It is an amenable number.

30320132021 is a deficient number, since it is larger than the sum of its proper divisors (2127691).

30320132021 is a wasteful number, since it uses less digits than its factorization.

30320132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127690.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30320132021 its reverse (12023102303), we get a palindrome (42343234324).

The spelling of 30320132021 in words is "thirty billion, three hundred twenty million, one hundred thirty-two thousand, twenty-one".