30220313171 has 2 divisors, whose sum is σ = 30220313172. Its totient is φ = 30220313170.

The previous prime is 30220313159. The next prime is 30220313173. The reversal of 30220313171 is 17131302203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30220313171 - 2¹⁸ = 30220051027 is a prime.

Together with 30220313173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30220313173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110156585 + 15110156586.

It is an arithmetic number, because the mean of its divisors is an integer number (15110156586).

Almost surely, 2^30220313171 is an apocalyptic number.

30220313171 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220313171 is an equidigital number, since it uses as much as digits as its factorization.

30220313171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 30220313171 its reverse (17131302203), we get a palindrome (47351615374).

The spelling of 30220313171 in words is "thirty billion, two hundred twenty million, three hundred thirteen thousand, one hundred seventy-one".