30312010193 has 2 divisors, whose sum is σ = 30312010194. Its totient is φ = 30312010192.

The previous prime is 30312010187. The next prime is 30312010207. The reversal of 30312010193 is 39101021303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15663023104 + 14648987089 = 125152^2 + 121033^2 .

It is an emirp because it is prime and its reverse (39101021303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30312010193 - 2¹⁶ = 30311944657 is a prime.

It is not a weakly prime, because it can be changed into another prime (30312010153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156005096 + 15156005097.

It is an arithmetic number, because the mean of its divisors is an integer number (15156005097).

Almost surely, 2^30312010193 is an apocalyptic number.

It is an amenable number.

30312010193 is a deficient number, since it is larger than the sum of its proper divisors (1).

30312010193 is an equidigital number, since it uses as much as digits as its factorization.

30312010193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 30312010193 its reverse (39101021303), we get a palindrome (69413031496).

It can be divided in two parts, 303120 and 10193, that added together give a palindrome (313313).

The spelling of 30312010193 in words is "thirty billion, three hundred twelve million, ten thousand, one hundred ninety-three".