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317130199873 is a prime number
BaseRepresentation
bin1001001110101100110…
…11101101001101000001
31010022120100102100022021
410213112123231031001
520143440312343443
6401404304441441
731624532136124
oct4472633551501
91108510370267
10317130199873
11112548803a83
1251566319281
1323b9caaa756
14114c62343bb
1583b15039ed
hex49d66ed341

317130199873 has 2 divisors, whose sum is σ = 317130199874. Its totient is φ = 317130199872.

The previous prime is 317130199853. The next prime is 317130199891. The reversal of 317130199873 is 378991031713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317051203329 + 78996544 = 563073^2 + 8888^2 .

It is a cyclic number.

It is not a de Polignac number, because 317130199873 - 233 = 308540265281 is a prime.

It is a super-2 number, since 2×3171301998732 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317130199873.

It is not a weakly prime, because it can be changed into another prime (317130199853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158565099936 + 158565099937.

It is an arithmetic number, because the mean of its divisors is an integer number (158565099937).

Almost surely, 2317130199873 is an apocalyptic number.

It is an amenable number.

317130199873 is a deficient number, since it is larger than the sum of its proper divisors (1).

317130199873 is an equidigital number, since it uses as much as digits as its factorization.

317130199873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 52.

The spelling of 317130199873 in words is "three hundred seventeen billion, one hundred thirty million, one hundred ninety-nine thousand, eight hundred seventy-three".