30231202021 has 8 divisors (see below), whose sum is σ = 30358627200. Its totient is φ = 30103894080.

The previous prime is 30231202019. The next prime is 30231202033. The reversal of 30231202021 is 12020213203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30231202021 - 2¹ = 30231202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231201986 and 30231202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231202121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508125 + ... + 564493.

It is an arithmetic number, because the mean of its divisors is an integer number (3794828400).

Almost surely, 2^30231202021 is an apocalyptic number.

It is an amenable number.

30231202021 is a deficient number, since it is larger than the sum of its proper divisors (127425179).

30231202021 is a wasteful number, since it uses less digits than its factorization.

30231202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58619.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30231202021 its reverse (12020213203), we get a palindrome (42251415224).

The spelling of 30231202021 in words is "thirty billion, two hundred thirty-one million, two hundred two thousand, twenty-one".