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317319677 is a prime number
BaseRepresentation
bin10010111010011…
…110100111111101
3211010002111202122
4102322132213331
51122213212202
651253132325
710602113153
oct2272364775
9733074678
10317319677
11153133a74
128a32a0a5
135098322c
14302013d3
151ccd09a2
hex12e9e9fd

317319677 has 2 divisors, whose sum is σ = 317319678. Its totient is φ = 317319676.

The previous prime is 317319649. The next prime is 317319683. The reversal of 317319677 is 776913713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293299876 + 24019801 = 17126^2 + 4901^2 .

It is a cyclic number.

It is not a de Polignac number, because 317319677 - 210 = 317318653 is a prime.

It is a super-2 number, since 2×3173196772 = 201383554822768658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317319617) 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, 158659838 + 158659839.

It is an arithmetic number, because the mean of its divisors is an integer number (158659839).

Almost surely, 2317319677 is an apocalyptic number.

It is an amenable number.

317319677 is a deficient number, since it is larger than the sum of its proper divisors (1).

317319677 is an equidigital number, since it uses as much as digits as its factorization.

317319677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 166698, while the sum is 44.

The square root of 317319677 is about 17813.4689771532. The cubic root of 317319677 is about 682.0753185479.

The spelling of 317319677 in words is "three hundred seventeen million, three hundred nineteen thousand, six hundred seventy-seven".