30220221131 has 2 divisors, whose sum is σ = 30220221132. Its totient is φ = 30220221130.

The previous prime is 30220221089. The next prime is 30220221137. The reversal of 30220221131 is 13112202203.

It is a strong prime.

It is an emirp because it is prime and its reverse (13112202203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30220221131 - 2¹⁴ = 30220204747 is a prime.

It is a super-2 number, since 2×30220221131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30220221137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110110565 + 15110110566.

It is an arithmetic number, because the mean of its divisors is an integer number (15110110566).

Almost surely, 2^30220221131 is an apocalyptic number.

30220221131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220221131 is an equidigital number, since it uses as much as digits as its factorization.

30220221131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30220221131 its reverse (13112202203), we get a palindrome (43332423334).

The spelling of 30220221131 in words is "thirty billion, two hundred twenty million, two hundred twenty-one thousand, one hundred thirty-one".