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31122422422141 is a prime number
BaseRepresentation
bin1110001001110010000001…
…11011101101101001111101
311002012021102010111120221011
413010321000323231221331
513034402210120002031
6150105235443035221
76361343432511661
oct704710073555175
9132167363446834
1031122422422141
119a09a44108736
1235a789836bb11
131449aa772b81b
147984947548a1
1538e873eea6b1
hex1c4e40eeda7d

31122422422141 has 2 divisors, whose sum is σ = 31122422422142. Its totient is φ = 31122422422140.

The previous prime is 31122422422123. The next prime is 31122422422177. The reversal of 31122422422141 is 14122422422113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21040660740100 + 10081761682041 = 4587010^2 + 3175179^2 .

It is an emirp because it is prime and its reverse (14122422422113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31122422422141 - 213 = 31122422413949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31122422422541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561211211070 + 15561211211071.

It is an arithmetic number, because the mean of its divisors is an integer number (15561211211071).

Almost surely, 231122422422141 is an apocalyptic number.

It is an amenable number.

31122422422141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31122422422141 is an equidigital number, since it uses as much as digits as its factorization.

31122422422141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 31.

Adding to 31122422422141 its reverse (14122422422113), we get a palindrome (45244844844254).

The spelling of 31122422422141 in words is "thirty-one trillion, one hundred twenty-two billion, four hundred twenty-two million, four hundred twenty-two thousand, one hundred forty-one".