30512425321073 has 2 divisors, whose sum is σ = 30512425321074. Its totient is φ = 30512425321072.

The previous prime is 30512425321051. The next prime is 30512425321111. The reversal of 30512425321073 is 37012352421503.

It is an a-pointer prime, because the next prime (30512425321111) can be obtained adding 30512425321073 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15411685795984 + 15100739525089 = 3925772^2 + 3885967^2 .

It is a cyclic number.

It is not a de Polignac number, because 30512425321073 - 2⁶ = 30512425321009 is a prime.

It is not a weakly prime, because it can be changed into another prime (30512425321013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15256212660536 + 15256212660537.

It is an arithmetic number, because the mean of its divisors is an integer number (15256212660537).

Almost surely, 2^{30512425321073} is an apocalyptic number.

It is an amenable number.

30512425321073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30512425321073 is an equidigital number, since it uses as much as digits as its factorization.

30512425321073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

Adding to 30512425321073 its reverse (37012352421503), we get a palindrome (67524777742576).

The spelling of 30512425321073 in words is "thirty trillion, five hundred twelve billion, four hundred twenty-five million, three hundred twenty-one thousand, seventy-three".