143134231111 has 2 divisors, whose sum is σ = 143134231112. Its totient is φ = 143134231110.

The previous prime is 143134231099. The next prime is 143134231127. The reversal of 143134231111 is 111132431341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143134231111 - 2¹³ = 143134222919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143134231211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71567115555 + 71567115556.

It is an arithmetic number, because the mean of its divisors is an integer number (71567115556).

Almost surely, 2^143134231111 is an apocalyptic number.

143134231111 is a deficient number, since it is larger than the sum of its proper divisors (1).

143134231111 is an equidigital number, since it uses as much as digits as its factorization.

143134231111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

Adding to 143134231111 its reverse (111132431341), we get a palindrome (254266662452).

It can be divided in two parts, 14313 and 4231111, that added together give a palindrome (4245424).

The spelling of 143134231111 in words is "one hundred forty-three billion, one hundred thirty-four million, two hundred thirty-one thousand, one hundred eleven".