30220220330171 has 2 divisors, whose sum is σ = 30220220330172. Its totient is φ = 30220220330170.

The previous prime is 30220220330099. The next prime is 30220220330197. The reversal of 30220220330171 is 17103302202203.

It is a happy number.

It is an a-pointer prime, because the next prime (30220220330197) can be obtained adding 30220220330171 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30220220330171 is a prime.

It is a super-4 number, since 4×30220220330171⁴ (a number of 55 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30220220330171.

It is not a weakly prime, because it can be changed into another prime (30220220330371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110110165085 + 15110110165086.

It is an arithmetic number, because the mean of its divisors is an integer number (15110110165086).

Almost surely, 2^{30220220330171} is an apocalyptic number.

30220220330171 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220220330171 is an equidigital number, since it uses as much as digits as its factorization.

30220220330171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 30220220330171 its reverse (17103302202203), we get a palindrome (47323522532374).

The spelling of 30220220330171 in words is "thirty trillion, two hundred twenty billion, two hundred twenty million, three hundred thirty thousand, one hundred seventy-one".