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312817608101 is a prime number
BaseRepresentation
bin1001000110101010110…
…00011110010110100101
31002220102210111222120002
410203111120132112211
520111122301424401
6355412330551045
731412624540225
oct4432530362645
91086383458502
10312817608101
11110735425a49
1250761b98485
132366349cabb
14111d7590085
15820cad3a6b
hex48d561e5a5

312817608101 has 2 divisors, whose sum is σ = 312817608102. Its totient is φ = 312817608100.

The previous prime is 312817608053. The next prime is 312817608151. The reversal of 312817608101 is 101806718213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235347235876 + 77470372225 = 485126^2 + 278335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312817608101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312817608151) 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, 156408804050 + 156408804051.

It is an arithmetic number, because the mean of its divisors is an integer number (156408804051).

Almost surely, 2312817608101 is an apocalyptic number.

It is an amenable number.

312817608101 is a deficient number, since it is larger than the sum of its proper divisors (1).

312817608101 is an equidigital number, since it uses as much as digits as its factorization.

312817608101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 312817608101 in words is "three hundred twelve billion, eight hundred seventeen million, six hundred eight thousand, one hundred one".