30575117393 has 2 divisors, whose sum is σ = 30575117394. Its totient is φ = 30575117392.

The previous prime is 30575117327. The next prime is 30575117501. The reversal of 30575117393 is 39371157503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26602588609 + 3972528784 = 163103^2 + 63028^2 .

It is a cyclic number.

It is not a de Polignac number, because 30575117393 - 2²⁴ = 30558340177 is a prime.

It is a super-2 number, since 2×30575117393² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30575117303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15287558696 + 15287558697.

It is an arithmetic number, because the mean of its divisors is an integer number (15287558697).

Almost surely, 2^30575117393 is an apocalyptic number.

It is an amenable number.

30575117393 is a deficient number, since it is larger than the sum of its proper divisors (1).

30575117393 is an equidigital number, since it uses as much as digits as its factorization.

30575117393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 297675, while the sum is 44.

The spelling of 30575117393 in words is "thirty billion, five hundred seventy-five million, one hundred seventeen thousand, three hundred ninety-three".