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42331141 is a prime number
BaseRepresentation
bin1010000101111…
…0110000000101
32221122122102001
42201132300011
541314044031
64111145301
71022544256
oct241366005
987578361
1042331141
1121993016
1212215231
138a01918
14589cb2d
153ab2861
hex285ec05

42331141 has 2 divisors, whose sum is σ = 42331142. Its totient is φ = 42331140.

The previous prime is 42331117. The next prime is 42331171. The reversal of 42331141 is 14113324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29757025 + 12574116 = 5455^2 + 3546^2 .

It is a cyclic number.

It is not a de Polignac number, because 42331141 - 213 = 42322949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42331111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165570 + 21165571.

It is an arithmetic number, because the mean of its divisors is an integer number (21165571).

Almost surely, 242331141 is an apocalyptic number.

It is an amenable number.

42331141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331141 is an equidigital number, since it uses as much as digits as its factorization.

42331141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 42331141 is about 6506.2386215078. The cubic root of 42331141 is about 348.5138097500.

Adding to 42331141 its reverse (14113324), we get a palindrome (56444465).

The spelling of 42331141 in words is "forty-two million, three hundred thirty-one thousand, one hundred forty-one".