30221343013 has 2 divisors, whose sum is σ = 30221343014. Its totient is φ = 30221343012.

The previous prime is 30221343011. The next prime is 30221343017. The reversal of 30221343013 is 31034312203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19367453889 + 10853889124 = 139167^2 + 104182^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221343013 - 2¹ = 30221343011 is a prime.

Together with 30221343011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221343011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110671506 + 15110671507.

It is an arithmetic number, because the mean of its divisors is an integer number (15110671507).

Almost surely, 2^30221343013 is an apocalyptic number.

It is an amenable number.

30221343013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221343013 is an equidigital number, since it uses as much as digits as its factorization.

30221343013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30221343013 its reverse (31034312203), we get a palindrome (61255655216).

The spelling of 30221343013 in words is "thirty billion, two hundred twenty-one million, three hundred forty-three thousand, thirteen".