Search a number
-
+
143030131 is a prime number
BaseRepresentation
bin10001000011001…
…11011101110011
3100222010200110021
420201213131303
5243103431011
622105344311
73354510316
oct1041473563
9328120407
10143030131
1173811722
123ba98097
132382b61a
1414dd297d
15c854471
hex8867773

143030131 has 2 divisors, whose sum is σ = 143030132. Its totient is φ = 143030130.

The previous prime is 143030113. The next prime is 143030137. The reversal of 143030131 is 131030341.

Together with previous prime (143030113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143030131 - 223 = 134641523 is a prime.

It is a super-2 number, since 2×1430301312 = 40915236747754322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143030137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71515065 + 71515066.

It is an arithmetic number, because the mean of its divisors is an integer number (71515066).

Almost surely, 2143030131 is an apocalyptic number.

143030131 is a deficient number, since it is larger than the sum of its proper divisors (1).

143030131 is an equidigital number, since it uses as much as digits as its factorization.

143030131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 143030131 is about 11959.5205171445. The cubic root of 143030131 is about 522.9688789616.

Adding to 143030131 its reverse (131030341), we get a palindrome (274060472).

The spelling of 143030131 in words is "one hundred forty-three million, thirty thousand, one hundred thirty-one".