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316108357121 is a prime number
BaseRepresentation
bin1001001100110011000…
…01101011111000000001
31010012221010122100120102
410212121201223320001
520134342214411441
6401115043052145
731560313462544
oct4463141537001
91105833570512
10316108357121
11112073a21437
1251320071055
1323a6919347b
141142a63c85b
15835195a69b
hex499986be01

316108357121 has 2 divisors, whose sum is σ = 316108357122. Its totient is φ = 316108357120.

The previous prime is 316108357079. The next prime is 316108357141. The reversal of 316108357121 is 121753801613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268908622096 + 47199735025 = 518564^2 + 217255^2 .

It is an emirp because it is prime and its reverse (121753801613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316108357121 - 218 = 316108094977 is a prime.

It is not a weakly prime, because it can be changed into another prime (316108357141) 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, 158054178560 + 158054178561.

It is an arithmetic number, because the mean of its divisors is an integer number (158054178561).

Almost surely, 2316108357121 is an apocalyptic number.

It is an amenable number.

316108357121 is a deficient number, since it is larger than the sum of its proper divisors (1).

316108357121 is an equidigital number, since it uses as much as digits as its factorization.

316108357121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 316108357121 in words is "three hundred sixteen billion, one hundred eight million, three hundred fifty-seven thousand, one hundred twenty-one".