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21021332030131 is a prime number
BaseRepresentation
bin1001100011110011010010…
…00001110100001010110011
32202102121201202212100012211
410301321221001310022303
510223403141444431011
6112413022220032551
74266512130030406
oct461715101641263
982377652770184
1021021332030131
1167751079a69a4
1224360a9692757
13b963c2bc81c4
1452961b847d3d
15266c2e283b21
hex131e690742b3

21021332030131 has 2 divisors, whose sum is σ = 21021332030132. Its totient is φ = 21021332030130.

The previous prime is 21021332030119. The next prime is 21021332030161. The reversal of 21021332030131 is 13103023312012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21021332030131 - 211 = 21021332028083 is a prime.

It is a super-2 number, since 2×210213320301312 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21021332030161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10510666015065 + 10510666015066.

It is an arithmetic number, because the mean of its divisors is an integer number (10510666015066).

Almost surely, 221021332030131 is an apocalyptic number.

21021332030131 is a deficient number, since it is larger than the sum of its proper divisors (1).

21021332030131 is an equidigital number, since it uses as much as digits as its factorization.

21021332030131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21021332030131 its reverse (13103023312012), we get a palindrome (34124355342143).

The spelling of 21021332030131 in words is "twenty-one trillion, twenty-one billion, three hundred thirty-two million, thirty thousand, one hundred thirty-one".