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442131302142301 is a prime number
BaseRepresentation
bin110010010000111011011011…
…1001101010101000101011101
32010222110100011122011220110211
41210201312313031111011131
5430422334401322023201
64204200152144532421
7162061634555213632
oct14441666715250535
92128410148156424
10442131302142301
111189709177a1442
1241708012621111
1315c91a58c594b5
147b273aa99a189
15361acb3151651
hex1921db735515d

442131302142301 has 2 divisors, whose sum is σ = 442131302142302. Its totient is φ = 442131302142300.

The previous prime is 442131302142287. The next prime is 442131302142307. The reversal of 442131302142301 is 103241203131244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363653496229401 + 78477805912900 = 19069701^2 + 8858770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-442131302142301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442131302142307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221065651071150 + 221065651071151.

It is an arithmetic number, because the mean of its divisors is an integer number (221065651071151).

Almost surely, 2442131302142301 is an apocalyptic number.

It is an amenable number.

442131302142301 is a deficient number, since it is larger than the sum of its proper divisors (1).

442131302142301 is an equidigital number, since it uses as much as digits as its factorization.

442131302142301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 442131302142301 its reverse (103241203131244), we get a palindrome (545372505273545).

The spelling of 442131302142301 in words is "four hundred forty-two trillion, one hundred thirty-one billion, three hundred two million, one hundred forty-two thousand, three hundred one".