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1041431309 is a prime number
BaseRepresentation
bin111110000100101…
…111101100001101
32200120122012011222
4332010233230031
54113101300214
6251201253125
734544006612
oct7604575415
92616565158
101041431309
11494951836
122509341a5
131379b5359
149c454509
156166738e
hex3e12fb0d

1041431309 has 2 divisors, whose sum is σ = 1041431310. Its totient is φ = 1041431308.

The previous prime is 1041431297. The next prime is 1041431327. The reversal of 1041431309 is 9031341401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014422500 + 27008809 = 31850^2 + 5197^2 .

It is an emirp because it is prime and its reverse (9031341401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1041431309 - 224 = 1024654093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041431389) 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, 520715654 + 520715655.

It is an arithmetic number, because the mean of its divisors is an integer number (520715655).

Almost surely, 21041431309 is an apocalyptic number.

It is an amenable number.

1041431309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041431309 is an equidigital number, since it uses as much as digits as its factorization.

1041431309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1041431309 is about 32271.2148671227. The cubic root of 1041431309 is about 1013.6239805585.

The spelling of 1041431309 in words is "one billion, forty-one million, four hundred thirty-one thousand, three hundred nine".