1043043431 has 4 divisors (see below), whose sum is σ = 1071233832. Its totient is φ = 1014853032.

The previous prime is 1043043427. The next prime is 1043043467. The reversal of 1043043431 is 1343403401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1043043431 - 2² = 1043043427 is a prime.

It is a super-2 number, since 2×1043043431² = 2175879197904503522, 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 = 1043043397 and 1043043406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043040431) 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 in 3 ways as a sum of consecutive naturals, for example, 14095145 + ... + 14095218.

It is an arithmetic number, because the mean of its divisors is an integer number (267808458).

Almost surely, 2^1043043431 is an apocalyptic number.

1043043431 is a deficient number, since it is larger than the sum of its proper divisors (28190401).

1043043431 is an equidigital number, since it uses as much as digits as its factorization.

1043043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28190400.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1043043431 is about 32296.1829168712. The cubic root of 1043043431 is about 1014.1467364516.

Adding to 1043043431 its reverse (1343403401), we get a palindrome (2386446832).

The spelling of 1043043431 in words is "one billion, forty-three million, forty-three thousand, four hundred thirty-one".