143031731429 has 2 divisors, whose sum is σ = 143031731430. Its totient is φ = 143031731428.

The previous prime is 143031731419. The next prime is 143031731443. The reversal of 143031731429 is 924137130341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112258502500 + 30773228929 = 335050^2 + 175423^2 .

It is a cyclic number.

It is not a de Polignac number, because 143031731429 - 2⁸ = 143031731173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143031731392 and 143031731401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143031731419) 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, 71515865714 + 71515865715.

It is an arithmetic number, because the mean of its divisors is an integer number (71515865715).

Almost surely, 2^143031731429 is an apocalyptic number.

It is an amenable number.

143031731429 is a deficient number, since it is larger than the sum of its proper divisors (1).

143031731429 is an equidigital number, since it uses as much as digits as its factorization.

143031731429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 143031731429 in words is "one hundred forty-three billion, thirty-one million, seven hundred thirty-one thousand, four hundred twenty-nine".