30312266497 has 2 divisors, whose sum is σ = 30312266498. Its totient is φ = 30312266496.

The previous prime is 30312266473. The next prime is 30312266503. The reversal of 30312266497 is 79466221303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29007539856 + 1304726641 = 170316^2 + 36121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30312266497 is a prime.

It is not a weakly prime, because it can be changed into another prime (30312266297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156133248 + 15156133249.

It is an arithmetic number, because the mean of its divisors is an integer number (15156133249).

Almost surely, 2^30312266497 is an apocalyptic number.

It is an amenable number.

30312266497 is a deficient number, since it is larger than the sum of its proper divisors (1).

30312266497 is an equidigital number, since it uses as much as digits as its factorization.

30312266497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 30312266497 in words is "thirty billion, three hundred twelve million, two hundred sixty-six thousand, four hundred ninety-seven".