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13031707837 is a prime number
BaseRepresentation
bin11000010001100000…
…00001010010111101
31020122012110100102211
430020300001102331
5203142104122322
65553042420421
7640636455211
oct141060012275
936565410384
1013031707837
115588071a85
122638361711
1312c8b24135
148b8a60941
15514116b77
hex308c014bd

13031707837 has 2 divisors, whose sum is σ = 13031707838. Its totient is φ = 13031707836.

The previous prime is 13031707693. The next prime is 13031707879. The reversal of 13031707837 is 73870713031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8233929081 + 4797778756 = 90741^2 + 69266^2 .

It is an emirp because it is prime and its reverse (73870713031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13031707837 - 211 = 13031705789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13031707837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031707037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515853918 + 6515853919.

It is an arithmetic number, because the mean of its divisors is an integer number (6515853919).

Almost surely, 213031707837 is an apocalyptic number.

It is an amenable number.

13031707837 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031707837 is an equidigital number, since it uses as much as digits as its factorization.

13031707837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 13031707837 in words is "thirteen billion, thirty-one million, seven hundred seven thousand, eight hundred thirty-seven".