30330221231 has 2 divisors, whose sum is σ = 30330221232. Its totient is φ = 30330221230.

The previous prime is 30330221209. The next prime is 30330221281. The reversal of 30330221231 is 13212203303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30330221231 - 2¹⁴ = 30330204847 is a prime.

It is a super-2 number, since 2×30330221231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30330221281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165110615 + 15165110616.

It is an arithmetic number, because the mean of its divisors is an integer number (15165110616).

Almost surely, 2^30330221231 is an apocalyptic number.

30330221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30330221231 is an equidigital number, since it uses as much as digits as its factorization.

30330221231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30330221231 its reverse (13212203303), we get a palindrome (43542424534).

The spelling of 30330221231 in words is "thirty billion, three hundred thirty million, two hundred twenty-one thousand, two hundred thirty-one".