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1312411241 is a prime number
BaseRepresentation
bin100111000111001…
…1100111001101001
310101110112101202202
41032032130321221
510141434124431
6334121305545
744344211561
oct11616347151
93343471682
101312411241
11613904a99
123076352b5
1317bb921cb
14c6431da1
157a3428cb
hex4e39ce69

1312411241 has 2 divisors, whose sum is σ = 1312411242. Its totient is φ = 1312411240.

The previous prime is 1312411223. The next prime is 1312411253. The reversal of 1312411241 is 1421142131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959760400 + 352650841 = 30980^2 + 18779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1312411241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312411141) 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, 656205620 + 656205621.

It is an arithmetic number, because the mean of its divisors is an integer number (656205621).

Almost surely, 21312411241 is an apocalyptic number.

It is an amenable number.

1312411241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312411241 is an equidigital number, since it uses as much as digits as its factorization.

1312411241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 1312411241 is about 36227.2168541830. The cubic root of 1312411241 is about 1094.8551036702.

Adding to 1312411241 its reverse (1421142131), we get a palindrome (2733553372).

The spelling of 1312411241 in words is "one billion, three hundred twelve million, four hundred eleven thousand, two hundred forty-one".