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317032997 is a prime number
BaseRepresentation
bin10010111001011…
…000101000100101
3211002112221111212
4102321120220211
51122130023442
651243041205
710566510311
oct2271305045
9732487455
10317032997
11152a58646
128a210205
13508b28b8
1430168b41
151cc75a82
hex12e58a25

317032997 has 2 divisors, whose sum is σ = 317032998. Its totient is φ = 317032996.

The previous prime is 317032987. The next prime is 317033071. The reversal of 317032997 is 799230713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201384481 + 115648516 = 14191^2 + 10754^2 .

It is a cyclic number.

It is not a de Polignac number, because 317032997 - 24 = 317032981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317032987) 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, 158516498 + 158516499.

It is an arithmetic number, because the mean of its divisors is an integer number (158516499).

Almost surely, 2317032997 is an apocalyptic number.

It is an amenable number.

317032997 is a deficient number, since it is larger than the sum of its proper divisors (1).

317032997 is an equidigital number, since it uses as much as digits as its factorization.

317032997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 317032997 is about 17805.4204387316. The cubic root of 317032997 is about 681.8698514416.

The spelling of 317032997 in words is "three hundred seventeen million, thirty-two thousand, nine hundred ninety-seven".