30315380497 has 2 divisors, whose sum is σ = 30315380498. Its totient is φ = 30315380496.

The previous prime is 30315380477. The next prime is 30315380551. The reversal of 30315380497 is 79408351303.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24098215696 + 6217164801 = 155236^2 + 78849^2 .

It is a cyclic number.

It is not a de Polignac number, because 30315380497 - 2²³ = 30306991889 is a prime.

It is not a weakly prime, because it can be changed into another prime (30315380477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15157690248 + 15157690249.

It is an arithmetic number, because the mean of its divisors is an integer number (15157690249).

Almost surely, 2^30315380497 is an apocalyptic number.

It is an amenable number.

30315380497 is a deficient number, since it is larger than the sum of its proper divisors (1).

30315380497 is an equidigital number, since it uses as much as digits as its factorization.

30315380497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 30315380497 in words is "thirty billion, three hundred fifteen million, three hundred eighty thousand, four hundred ninety-seven".