1043543131 has 2 divisors, whose sum is σ = 1043543132. Its totient is φ = 1043543130.

The previous prime is 1043543107. The next prime is 1043543167. The reversal of 1043543131 is 1313453401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043543131 - 2⁷ = 1043543003 is a prime.

It is a super-2 number, since 2×1043543131² = 2177964532514566322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1043543096 and 1043543105.

It is not a weakly prime, because it can be changed into another prime (1043543101) 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, 521771565 + 521771566.

It is an arithmetic number, because the mean of its divisors is an integer number (521771566).

Almost surely, 2^1043543131 is an apocalyptic number.

1043543131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043543131 is an equidigital number, since it uses as much as digits as its factorization.

1043543131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1043543131 is about 32303.9181988811. The cubic root of 1043543131 is about 1014.3086626646.

Adding to 1043543131 its reverse (1313453401), we get a palindrome (2356996532).

The spelling of 1043543131 in words is "one billion, forty-three million, five hundred forty-three thousand, one hundred thirty-one".