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346138397161 is a prime number
BaseRepresentation
bin1010000100101110111…
…01001100100111101001
31020002102222110110010121
411002113131030213221
521132342412202121
6423002551043241
734002426554644
oct5022735144751
91202388413117
10346138397161
11123884112a47
1257101070521
132684384582b
1412a78a66a5b
15900d01a141
hex509774c9e9

346138397161 has 2 divisors, whose sum is σ = 346138397162. Its totient is φ = 346138397160.

The previous prime is 346138397131. The next prime is 346138397177. The reversal of 346138397161 is 161793831643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256713475561 + 89424921600 = 506669^2 + 299040^2 .

It is an emirp because it is prime and its reverse (161793831643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346138397161 - 215 = 346138364393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346138397099 and 346138397108.

It is not a weakly prime, because it can be changed into another prime (346138397131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173069198580 + 173069198581.

It is an arithmetic number, because the mean of its divisors is an integer number (173069198581).

Almost surely, 2346138397161 is an apocalyptic number.

It is an amenable number.

346138397161 is a deficient number, since it is larger than the sum of its proper divisors (1).

346138397161 is an equidigital number, since it uses as much as digits as its factorization.

346138397161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The spelling of 346138397161 in words is "three hundred forty-six billion, one hundred thirty-eight million, three hundred ninety-seven thousand, one hundred sixty-one".