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317912102357 is a prime number
BaseRepresentation
bin1001010000001010000…
…10011011010111010101
31010101120211201002212112
410220011002123113111
520202040444233412
6402014035400405
731653105166163
oct4500502332725
91111524632775
10317912102357
1111290a103983
1251744153105
1323c95a95145
141155c00c233
158409ea3722
hex4a0509b5d5

317912102357 has 2 divisors, whose sum is σ = 317912102358. Its totient is φ = 317912102356.

The previous prime is 317912102281. The next prime is 317912102359. The reversal of 317912102357 is 753201219713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287254193521 + 30657908836 = 535961^2 + 175094^2 .

It is a cyclic number.

It is not a de Polignac number, because 317912102357 - 212 = 317912098261 is a prime.

Together with 317912102359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317912102359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158956051178 + 158956051179.

It is an arithmetic number, because the mean of its divisors is an integer number (158956051179).

Almost surely, 2317912102357 is an apocalyptic number.

It is an amenable number.

317912102357 is a deficient number, since it is larger than the sum of its proper divisors (1).

317912102357 is an equidigital number, since it uses as much as digits as its factorization.

317912102357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The spelling of 317912102357 in words is "three hundred seventeen billion, nine hundred twelve million, one hundred two thousand, three hundred fifty-seven".