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10101131269 is a prime number
BaseRepresentation
bin10010110100001001…
…10000100000000101
3222001222001122010221
421122010300200011
5131141342200034
64350154144341
7505213125205
oct113204604005
928058048127
1010101131269
114313909479
121b5aa220b1
13c4c938b68
146bb76a405
153e1bd7bb4
hex25a130805

10101131269 has 2 divisors, whose sum is σ = 10101131270. Its totient is φ = 10101131268.

The previous prime is 10101131263. The next prime is 10101131297. The reversal of 10101131269 is 96213110101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5645568769 + 4455562500 = 75137^2 + 66750^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101131269 - 27 = 10101131141 is a prime.

It is a super-2 number, since 2×101011312692 (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 (10101131263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050565634 + 5050565635.

It is an arithmetic number, because the mean of its divisors is an integer number (5050565635).

Almost surely, 210101131269 is an apocalyptic number.

It is an amenable number.

10101131269 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101131269 is an equidigital number, since it uses as much as digits as its factorization.

10101131269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 10101131269 in words is "ten billion, one hundred one million, one hundred thirty-one thousand, two hundred sixty-nine".