30220163251 has 2 divisors, whose sum is σ = 30220163252. Its totient is φ = 30220163250.

The previous prime is 30220163213. The next prime is 30220163269. The reversal of 30220163251 is 15236102203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30220163251 - 2¹⁵ = 30220130483 is a prime.

It is not a weakly prime, because it can be changed into another prime (30220163291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110081625 + 15110081626.

It is an arithmetic number, because the mean of its divisors is an integer number (15110081626).

Almost surely, 2^30220163251 is an apocalyptic number.

30220163251 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220163251 is an equidigital number, since it uses as much as digits as its factorization.

30220163251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 30220163251 its reverse (15236102203), we get a palindrome (45456265454).

The spelling of 30220163251 in words is "thirty billion, two hundred twenty million, one hundred sixty-three thousand, two hundred fifty-one".