30021201130231 has 4 divisors (see below), whose sum is σ = 30088063494000. Its totient is φ = 29954338766464.

The previous prime is 30021201130171. The next prime is 30021201130279. The reversal of 30021201130231 is 13203110212003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30021201130231 - 2⁷ = 30021201130103 is a prime.

It is a super-2 number, since 2×30021201130231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30021201130199 and 30021201130208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021901130231) 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, 33431181211 + ... + 33431182108.

It is an arithmetic number, because the mean of its divisors is an integer number (7522015873500).

Almost surely, 2^{30021201130231} is an apocalyptic number.

30021201130231 is a deficient number, since it is larger than the sum of its proper divisors (66862363769).

30021201130231 is an equidigital number, since it uses as much as digits as its factorization.

30021201130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66862363768.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30021201130231 its reverse (13203110212003), we get a palindrome (43224311342234).

The spelling of 30021201130231 in words is "thirty trillion, twenty-one billion, two hundred one million, one hundred thirty thousand, two hundred thirty-one".