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317041973 is a prime number
BaseRepresentation
bin10010111001011…
…010110100110101
3211002120101211022
4102321122310311
51122130320343
651243150525
710566545423
oct2271326465
9732511738
10317041973
11152a64366
128a215445
13508b6a01
143016c113
151cc78568
hex12e5ad35

317041973 has 2 divisors, whose sum is σ = 317041974. Its totient is φ = 317041972.

The previous prime is 317041969. The next prime is 317041981. The reversal of 317041973 is 379140713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280160644 + 36881329 = 16738^2 + 6073^2 .

It is a cyclic number.

It is not a de Polignac number, because 317041973 - 22 = 317041969 is a prime.

It is a super-2 number, since 2×3170419732 = 201031225287465458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317041943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158520986 + 158520987.

It is an arithmetic number, because the mean of its divisors is an integer number (158520987).

Almost surely, 2317041973 is an apocalyptic number.

It is an amenable number.

317041973 is a deficient number, since it is larger than the sum of its proper divisors (1).

317041973 is an equidigital number, since it uses as much as digits as its factorization.

317041973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 317041973 is about 17805.6724950225. The cubic root of 317041973 is about 681.8762865299.

The spelling of 317041973 in words is "three hundred seventeen million, forty-one thousand, nine hundred seventy-three".