143031341 has 2 divisors, whose sum is σ = 143031342. Its totient is φ = 143031340.

The previous prime is 143031311. The next prime is 143031367. The reversal of 143031341 is 143130341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142898116 + 133225 = 11954^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 143031341 - 2¹⁰ = 143030317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143031311) 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, 71515670 + 71515671.

It is an arithmetic number, because the mean of its divisors is an integer number (71515671).

Almost surely, 2^143031341 is an apocalyptic number.

It is an amenable number.

143031341 is a deficient number, since it is larger than the sum of its proper divisors (1).

143031341 is an equidigital number, since it uses as much as digits as its factorization.

143031341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 143031341 is about 11959.5711043499. The cubic root of 143031341 is about 522.9703536871.

Adding to 143031341 its reverse (143130341), we get a palindrome (286161682).

The spelling of 143031341 in words is "one hundred forty-three million, thirty-one thousand, three hundred forty-one".