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6131086109 is a prime number
BaseRepresentation
bin1011011010111000…
…01111001100011101
3120211021201110000022
411231130033030131
5100024024223414
62452214241525
7304635241421
oct55534171435
916737643008
106131086109
112666924815
1212313562a5
137692a4a05
144223b2b81
1525d3cd18e
hex16d70f31d

6131086109 has 2 divisors, whose sum is σ = 6131086110. Its totient is φ = 6131086108.

The previous prime is 6131086099. The next prime is 6131086111. The reversal of 6131086109 is 9016801316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5041426009 + 1089660100 = 71003^2 + 33010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6131086109 is a prime.

Together with 6131086111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6131086139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065543054 + 3065543055.

It is an arithmetic number, because the mean of its divisors is an integer number (3065543055).

Almost surely, 26131086109 is an apocalyptic number.

It is an amenable number.

6131086109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131086109 is an equidigital number, since it uses as much as digits as its factorization.

6131086109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 6131086109 is about 78301.2522824508. The cubic root of 6131086109 is about 1830.2586661945.

The spelling of 6131086109 in words is "six billion, one hundred thirty-one million, eighty-six thousand, one hundred nine".