143143131 has 16 divisors (see below), whose sum is σ = 201276800. Its totient is φ = 90237888.

The previous prime is 143143129. The next prime is 143143139. The reversal of 143143131 is 131341341.

It is not a de Polignac number, because 143143131 - 2¹ = 143143129 is a prime.

It is a super-2 number, since 2×143143131² = 40979911904966322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143143098 and 143143107.

It is not an unprimeable number, because it can be changed into a prime (143143139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33255 + ... + 37311.

It is an arithmetic number, because the mean of its divisors is an integer number (12579800).

Almost surely, 2^143143131 is an apocalyptic number.

143143131 is a deficient number, since it is larger than the sum of its proper divisors (58133669).

143143131 is a wasteful number, since it uses less digits than its factorization.

143143131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698.

The product of its digits is 432, while the sum is 21.

The square root of 143143131 is about 11964.2438540846. The cubic root of 143143131 is about 523.1065653988.

Adding to 143143131 its reverse (131341341), we get a palindrome (274484472).

The spelling of 143143131 in words is "one hundred forty-three million, one hundred forty-three thousand, one hundred thirty-one".