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1444005131 is a prime number
BaseRepresentation
bin101011000010001…
…1100010100001011
310201122011001122112
41112010130110023
510424131131011
6355142012535
750532561332
oct12604342413
93648131575
101444005131
11681115478
1234371714b
131a021830a
14d9ac8d19
1586b8858b
hex5611c50b

1444005131 has 2 divisors, whose sum is σ = 1444005132. Its totient is φ = 1444005130.

The previous prime is 1444005127. The next prime is 1444005133. The reversal of 1444005131 is 1315004441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1444005131 - 22 = 1444005127 is a prime.

It is a super-2 number, since 2×14440051312 = 4170301636708654322, which contains 22 as substring.

Together with 1444005133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444005097 and 1444005106.

It is not a weakly prime, because it can be changed into another prime (1444005133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722002565 + 722002566.

It is an arithmetic number, because the mean of its divisors is an integer number (722002566).

Almost surely, 21444005131 is an apocalyptic number.

1444005131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444005131 is an equidigital number, since it uses as much as digits as its factorization.

1444005131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1444005131 is about 38000.0675130979. The cubic root of 1444005131 is about 1130.2892023502.

Adding to 1444005131 its reverse (1315004441), we get a palindrome (2759009572).

The spelling of 1444005131 in words is "one billion, four hundred forty-four million, five thousand, one hundred thirty-one".