30221330031223 has 2 divisors, whose sum is σ = 30221330031224. Its totient is φ = 30221330031222.

The previous prime is 30221330031181. The next prime is 30221330031251. The reversal of 30221330031223 is 32213003312203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30221330031223 is a prime.

It is a super-2 number, since 2×30221330031223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221330031253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110665015611 + 15110665015612.

It is an arithmetic number, because the mean of its divisors is an integer number (15110665015612).

Almost surely, 2^{30221330031223} is an apocalyptic number.

30221330031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221330031223 is an equidigital number, since it uses as much as digits as its factorization.

30221330031223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30221330031223 its reverse (32213003312203), we get a palindrome (62434333343426).

The spelling of 30221330031223 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirty million, thirty-one thousand, two hundred twenty-three".