30221021130331 has 2 divisors, whose sum is σ = 30221021130332. Its totient is φ = 30221021130330.

The previous prime is 30221021130323. The next prime is 30221021130337. The reversal of 30221021130331 is 13303112012203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30221021130331 - 2³ = 30221021130323 is a prime.

It is a super-2 number, since 2×30221021130331² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30221021130337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110510565165 + 15110510565166.

It is an arithmetic number, because the mean of its divisors is an integer number (15110510565166).

Almost surely, 2^{30221021130331} is an apocalyptic number.

30221021130331 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221021130331 is an equidigital number, since it uses as much as digits as its factorization.

30221021130331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30221021130331 its reverse (13303112012203), we get a palindrome (43524133142534).

The spelling of 30221021130331 in words is "thirty trillion, two hundred twenty-one billion, twenty-one million, one hundred thirty thousand, three hundred thirty-one".