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317104981 is a prime number
BaseRepresentation
bin10010111001101…
…010001101010101
3211002200121020221
4102321222031111
51122134324411
651244354341
710600230214
oct2271521525
9732617227
10317104981
11152aa7736
128a2459b1
13509095ab
143018707b
151cc8c071
hex12e6a355

317104981 has 2 divisors, whose sum is σ = 317104982. Its totient is φ = 317104980.

The previous prime is 317104969. The next prime is 317105011. The reversal of 317104981 is 189401713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188622756 + 128482225 = 13734^2 + 11335^2 .

It is a cyclic number.

It is not a de Polignac number, because 317104981 - 213 = 317096789 is a prime.

It is a super-2 number, since 2×3171049812 = 201111137950020722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317104181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158552490 + 158552491.

It is an arithmetic number, because the mean of its divisors is an integer number (158552491).

Almost surely, 2317104981 is an apocalyptic number.

It is an amenable number.

317104981 is a deficient number, since it is larger than the sum of its proper divisors (1).

317104981 is an equidigital number, since it uses as much as digits as its factorization.

317104981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 317104981 is about 17807.4417309169. The cubic root of 317104981 is about 681.9214549081.

The spelling of 317104981 in words is "three hundred seventeen million, one hundred four thousand, nine hundred eighty-one".