143311111241 has 2 divisors, whose sum is σ = 143311111242. Its totient is φ = 143311111240.

The previous prime is 143311111189. The next prime is 143311111247. The reversal of 143311111241 is 142111113341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142808410000 + 502701241 = 377900^2 + 22421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143311111241 is a prime.

It is not a weakly prime, because it can be changed into another prime (143311111247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71655555620 + 71655555621.

It is an arithmetic number, because the mean of its divisors is an integer number (71655555621).

Almost surely, 2^143311111241 is an apocalyptic number.

It is an amenable number.

143311111241 is a deficient number, since it is larger than the sum of its proper divisors (1).

143311111241 is an equidigital number, since it uses as much as digits as its factorization.

143311111241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

Adding to 143311111241 its reverse (142111113341), we get a palindrome (285422224582).

The spelling of 143311111241 in words is "one hundred forty-three billion, three hundred eleven million, one hundred eleven thousand, two hundred forty-one".