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10021003231 is a prime number
BaseRepresentation
bin10010101010100110…
…00101111111011111
3221212101021201010211
421111103011333133
5131010334100411
64334212513251
7503221056601
oct112523057737
927771251124
1010021003231
114282660058
121b3801b827
13c39162415
146b0c6d171
153d9b5b221
hex2554c5fdf

10021003231 has 2 divisors, whose sum is σ = 10021003232. Its totient is φ = 10021003230.

The previous prime is 10021003219. The next prime is 10021003247. The reversal of 10021003231 is 13230012001.

It is a weak prime.

It is an emirp because it is prime and its reverse (13230012001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10021003231 - 27 = 10021003103 is a prime.

It is a super-2 number, since 2×100210032312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021003831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010501615 + 5010501616.

It is an arithmetic number, because the mean of its divisors is an integer number (5010501616).

Almost surely, 210021003231 is an apocalyptic number.

10021003231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021003231 is an equidigital number, since it uses as much as digits as its factorization.

10021003231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10021003231 its reverse (13230012001), we get a palindrome (23251015232).

The spelling of 10021003231 in words is "ten billion, twenty-one million, three thousand, two hundred thirty-one".