30221330031321 has 64 divisors (see below), whose sum is σ = 50448974929920. Its totient is φ = 15827864912640.

The previous prime is 30221330031301. The next prime is 30221330031329. The reversal of 30221330031321 is 12313003312203.

It is not a de Polignac number, because 30221330031321 - 2⁵ = 30221330031289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30221330031291 and 30221330031300.

It is not an unprimeable number, because it can be changed into a prime (30221330031329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32119966 + ... + 33047463.

It is an arithmetic number, because the mean of its divisors is an integer number (788265233280).

Almost surely, 2^{30221330031321} is an apocalyptic number.

It is an amenable number.

30221330031321 is a deficient number, since it is larger than the sum of its proper divisors (20227644898599).

30221330031321 is a wasteful number, since it uses less digits than its factorization.

30221330031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65167526.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 30221330031321 its reverse (12313003312203), we get a palindrome (42534333343524).

The spelling of 30221330031321 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirty million, thirty-one thousand, three hundred twenty-one".