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31028064719369 is a prime number
BaseRepresentation
bin1110000111000010010001…
…10001101001001000001001
311001212020212011211122101212
413003201020301221020021
513031330434032004434
6145554032434022505
76351463240333424
oct703411061511011
9131766764748355
1031028064719369
119982a236a7aa3
123591544117a35
131440c1ab658c3
14793aa2bcc9bb
1538c1a02dc8ce
hex1c3848c69209

31028064719369 has 2 divisors, whose sum is σ = 31028064719370. Its totient is φ = 31028064719368.

The previous prime is 31028064719317. The next prime is 31028064719389. The reversal of 31028064719369 is 96391746082013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30594040691344 + 434024028025 = 5531188^2 + 658805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31028064719369 is a prime.

It is a super-2 number, since 2×310280647193692 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31028064719389) 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, 15514032359684 + 15514032359685.

It is an arithmetic number, because the mean of its divisors is an integer number (15514032359685).

Almost surely, 231028064719369 is an apocalyptic number.

It is an amenable number.

31028064719369 is a deficient number, since it is larger than the sum of its proper divisors (1).

31028064719369 is an equidigital number, since it uses as much as digits as its factorization.

31028064719369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 31028064719369 in words is "thirty-one trillion, twenty-eight billion, sixty-four million, seven hundred nineteen thousand, three hundred sixty-nine".