30202401421 has 2 divisors, whose sum is σ = 30202401422. Its totient is φ = 30202401420.

The previous prime is 30202401413. The next prime is 30202401461. The reversal of 30202401421 is 12410420203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16974181225 + 13228220196 = 130285^2 + 115014^2 .

It is an emirp because it is prime and its reverse (12410420203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30202401421 - 2³ = 30202401413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30202401461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101200710 + 15101200711.

It is an arithmetic number, because the mean of its divisors is an integer number (15101200711).

Almost surely, 2^30202401421 is an apocalyptic number.

It is an amenable number.

30202401421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202401421 is an equidigital number, since it uses as much as digits as its factorization.

30202401421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 30202401421 its reverse (12410420203), we get a palindrome (42612821624).

The spelling of 30202401421 in words is "thirty billion, two hundred two million, four hundred one thousand, four hundred twenty-one".