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13231213020287 is a prime number
BaseRepresentation
bin1100000010001010000111…
…0000001000010001111111
31201211220001222120221011022
43000202201300020101333
53213240011013122122
644050200234014355
72533631536011503
oct300424160102177
951756058527138
1013231213020287
1142413648a4029
12159836a5773bb
1374c90c772362
1433a5736b0303
1517e292e93642
hexc08a1c0847f

13231213020287 has 2 divisors, whose sum is σ = 13231213020288. Its totient is φ = 13231213020286.

The previous prime is 13231213020281. The next prime is 13231213020349. The reversal of 13231213020287 is 78202031213231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13231213020287 - 214 = 13231213003903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231213020281) 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, 6615606510143 + 6615606510144.

It is an arithmetic number, because the mean of its divisors is an integer number (6615606510144).

Almost surely, 213231213020287 is an apocalyptic number.

13231213020287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231213020287 is an equidigital number, since it uses as much as digits as its factorization.

13231213020287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 13231213020287 in words is "thirteen trillion, two hundred thirty-one billion, two hundred thirteen million, twenty thousand, two hundred eighty-seven".