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243113315201 is a prime number
BaseRepresentation
bin1110001001101010101…
…1101100101110000001
3212020111222121000120022
43202122223230232001
512440344002041301
6303403522023225
723364401040341
oct3423253545601
9766458530508
10243113315201
1194116146009
123b14a1a7b15
1319c053ac283
14baa3d50d21
1564cd434d1b
hex389aaecb81

243113315201 has 2 divisors, whose sum is σ = 243113315202. Its totient is φ = 243113315200.

The previous prime is 243113315191. The next prime is 243113315231. The reversal of 243113315201 is 102513311342.

243113315201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138670588225 + 104442726976 = 372385^2 + 323176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-243113315201 is a prime.

It is not a weakly prime, because it can be changed into another prime (243113315231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121556657600 + 121556657601.

It is an arithmetic number, because the mean of its divisors is an integer number (121556657601).

Almost surely, 2243113315201 is an apocalyptic number.

It is an amenable number.

243113315201 is a deficient number, since it is larger than the sum of its proper divisors (1).

243113315201 is an equidigital number, since it uses as much as digits as its factorization.

243113315201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 243113315201 its reverse (102513311342), we get a palindrome (345626626543).

The spelling of 243113315201 in words is "two hundred forty-three billion, one hundred thirteen million, three hundred fifteen thousand, two hundred one".