243130702912571 has 2 divisors, whose sum is σ = 243130702912572. Its totient is φ = 243130702912570.

The previous prime is 243130702912469. The next prime is 243130702912607. The reversal of 243130702912571 is 175219207031342.

243130702912571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243130702912571 is a prime.

It is a super-2 number, since 2×243130702912571² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243130402912571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121565351456285 + 121565351456286.

It is an arithmetic number, because the mean of its divisors is an integer number (121565351456286).

Almost surely, 2^{243130702912571} is an apocalyptic number.

243130702912571 is a deficient number, since it is larger than the sum of its proper divisors (1).

243130702912571 is an equidigital number, since it uses as much as digits as its factorization.

243130702912571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 243130702912571 in words is "two hundred forty-three trillion, one hundred thirty billion, seven hundred two million, nine hundred twelve thousand, five hundred seventy-one".