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1042113131 is a prime number
BaseRepresentation
bin111110000111010…
…110001001101011
32200121220211110122
4332013112021223
54113240110011
6251224033455
734552546463
oct7607261153
92617824418
101042113131
11495278024
1225100288b
13137b937b7
149c590ba3
156174e3db
hex3e1d626b

1042113131 has 2 divisors, whose sum is σ = 1042113132. Its totient is φ = 1042113130.

The previous prime is 1042113077. The next prime is 1042113151. The reversal of 1042113131 is 1313112401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042113131 - 26 = 1042113067 is a prime.

It is a super-2 number, since 2×10421131312 = 2171999555605246322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1042113151) 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, 521056565 + 521056566.

It is an arithmetic number, because the mean of its divisors is an integer number (521056566).

Almost surely, 21042113131 is an apocalyptic number.

1042113131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042113131 is an equidigital number, since it uses as much as digits as its factorization.

1042113131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1042113131 is about 32281.7770731414. Note that the first 3 decimals coincide. The cubic root of 1042113131 is about 1013.8451378432.

Adding to 1042113131 its reverse (1313112401), we get a palindrome (2355225532).

The spelling of 1042113131 in words is "one billion, forty-two million, one hundred thirteen thousand, one hundred thirty-one".