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111312424361 is a prime number
BaseRepresentation
bin110011110101010111…
…1001100110110101001
3101122022112222001010202
41213222233030312221
53310431440034421
6123045231321545
711020265665355
oct1475257146651
9348275861122
10111312424361
1143230a63a46
12196a63802b5
13a65c395078
14555d61a465
152d6743e10b
hex19eabccda9

111312424361 has 2 divisors, whose sum is σ = 111312424362. Its totient is φ = 111312424360.

The previous prime is 111312424357. The next prime is 111312424459. The reversal of 111312424361 is 163424213111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105417102400 + 5895321961 = 324680^2 + 76781^2 .

It is an emirp because it is prime and its reverse (163424213111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111312424361 - 22 = 111312424357 is a prime.

It is not a weakly prime, because it can be changed into another prime (111312724361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656212180 + 55656212181.

It is an arithmetic number, because the mean of its divisors is an integer number (55656212181).

Almost surely, 2111312424361 is an apocalyptic number.

It is an amenable number.

111312424361 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312424361 is an equidigital number, since it uses as much as digits as its factorization.

111312424361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

Adding to 111312424361 its reverse (163424213111), we get a palindrome (274736637472).

The spelling of 111312424361 in words is "one hundred eleven billion, three hundred twelve million, four hundred twenty-four thousand, three hundred sixty-one".