30132313221 has 32 divisors (see below), whose sum is σ = 42708902400. Its totient is φ = 18831540224.

The previous prime is 30132313219. The next prime is 30132313231. The reversal of 30132313221 is 12231323103.

It is a cyclic number.

It is not a de Polignac number, because 30132313221 - 2¹ = 30132313219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132313231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25257001 + ... + 25258193.

It is an arithmetic number, because the mean of its divisors is an integer number (1334653200).

Almost surely, 2^30132313221 is an apocalyptic number.

It is an amenable number.

30132313221 is a deficient number, since it is larger than the sum of its proper divisors (12576589179).

30132313221 is a wasteful number, since it uses less digits than its factorization.

30132313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30132313221 its reverse (12231323103), we get a palindrome (42363636324).

The spelling of 30132313221 in words is "thirty billion, one hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-one".