30242232021 has 4 divisors (see below), whose sum is σ = 40322976032. Its totient is φ = 20161488012.

The previous prime is 30242232017. The next prime is 30242232049. The reversal of 30242232021 is 12023224203.

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 not a de Polignac number, because 30242232021 - 2² = 30242232017 is a prime.

It is a super-2 number, since 2×30242232021² (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 (30242234021) 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, 5040372001 + ... + 5040372006.

It is an arithmetic number, because the mean of its divisors is an integer number (10080744008).

Almost surely, 2^30242232021 is an apocalyptic number.

It is an amenable number.

30242232021 is a deficient number, since it is larger than the sum of its proper divisors (10080744011).

30242232021 is a wasteful number, since it uses less digits than its factorization.

30242232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080744010.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30242232021 its reverse (12023224203), we get a palindrome (42265456224).

The spelling of 30242232021 in words is "thirty billion, two hundred forty-two million, two hundred thirty-two thousand, twenty-one".