143073131 has 2 divisors, whose sum is σ = 143073132. Its totient is φ = 143073130.

The previous prime is 143073113. The next prime is 143073137. The reversal of 143073131 is 131370341.

Together with previous prime (143073113) 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 143073131 - 2¹⁰ = 143072107 is a prime.

It is a super-2 number, since 2×143073131² = 40939841628286322, which contains 22 as substring.

It is equal to p_8076002 and since 143073131 and 8076002 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 143073097 and 143073106.

It is not a weakly prime, because it can be changed into another prime (143073137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71536565 + 71536566.

It is an arithmetic number, because the mean of its divisors is an integer number (71536566).

Almost surely, 2^143073131 is an apocalyptic number.

143073131 is a deficient number, since it is larger than the sum of its proper divisors (1).

143073131 is an equidigital number, since it uses as much as digits as its factorization.

143073131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 143073131 is about 11961.3181129840. The cubic root of 143073131 is about 523.0212814600.

The spelling of 143073131 in words is "one hundred forty-three million, seventy-three thousand, one hundred thirty-one".