30031220301221 has 8 divisors (see below), whose sum is σ = 30543192892800. Its totient is φ = 29519346671680.

The previous prime is 30031220301161. The next prime is 30031220301233. The reversal of 30031220301221 is 12210302213003.

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

It is a cyclic number.

It is not a de Polignac number, because 30031220301221 - 2⁶ = 30031220301157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30031220301193 and 30031220301202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031220301241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24128285 + ... + 25342386.

It is an arithmetic number, because the mean of its divisors is an integer number (3817899111600).

Almost surely, 2^{30031220301221} is an apocalyptic number.

It is an amenable number.

30031220301221 is a deficient number, since it is larger than the sum of its proper divisors (511972591579).

30031220301221 is a wasteful number, since it uses less digits than its factorization.

30031220301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49481019.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30031220301221 its reverse (12210302213003), we get a palindrome (42241522514224).

The spelling of 30031220301221 in words is "thirty trillion, thirty-one billion, two hundred twenty million, three hundred one thousand, two hundred twenty-one".