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115231311215233 is a prime number
BaseRepresentation
bin11010001100110101100001…
…010111110011101010000001
3120010000000011012112010112221
4122030311201113303222001
5110100422211132341413
61045024311130251041
733162121212255553
oct3214654127635201
9503000135463487
10115231311215233
113379736311a334
1210b10724b86a81
134c3b35c5b0685
1420653220134d3
15d4c66e18a68d
hex68cd615f3a81

115231311215233 has 2 divisors, whose sum is σ = 115231311215234. Its totient is φ = 115231311215232.

The previous prime is 115231311215219. The next prime is 115231311215243. The reversal of 115231311215233 is 332512113132511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105898671141264 + 9332640073969 = 10290708^2 + 3054937^2 .

It is a cyclic number.

It is not a de Polignac number, because 115231311215233 - 229 = 115230774344321 is a prime.

It is not a weakly prime, because it can be changed into another prime (115231311215203) 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, 57615655607616 + 57615655607617.

It is an arithmetic number, because the mean of its divisors is an integer number (57615655607617).

Almost surely, 2115231311215233 is an apocalyptic number.

It is an amenable number.

115231311215233 is a deficient number, since it is larger than the sum of its proper divisors (1).

115231311215233 is an equidigital number, since it uses as much as digits as its factorization.

115231311215233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

Adding to 115231311215233 its reverse (332512113132511), we get a palindrome (447743424347744).

The spelling of 115231311215233 in words is "one hundred fifteen trillion, two hundred thirty-one billion, three hundred eleven million, two hundred fifteen thousand, two hundred thirty-three".