30231321193 has 2 divisors, whose sum is σ = 30231321194. Its totient is φ = 30231321192.

The previous prime is 30231321191. The next prime is 30231321203. The reversal of 30231321193 is 39112313203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29047066624 + 1184254569 = 170432^2 + 34413^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231321193 - 2¹ = 30231321191 is a prime.

Together with 30231321191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30231321191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115660596 + 15115660597.

It is an arithmetic number, because the mean of its divisors is an integer number (15115660597).

Almost surely, 2^30231321193 is an apocalyptic number.

It is an amenable number.

30231321193 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231321193 is an equidigital number, since it uses as much as digits as its factorization.

30231321193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 30231321193 its reverse (39112313203), we get a palindrome (69343634396).

The spelling of 30231321193 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred ninety-three".