1043303313 has 32 divisors (see below), whose sum is σ = 1548650880. Its totient is φ = 620720640.

The previous prime is 1043303293. The next prime is 1043303329. The reversal of 1043303313 is 3133033401.

It is not a de Polignac number, because 1043303313 - 2⁶ = 1043303249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043303313.

It is not an unprimeable number, because it can be changed into a prime (1043303353) 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 31 ways as a sum of consecutive naturals, for example, 136645 + ... + 144077.

It is an arithmetic number, because the mean of its divisors is an integer number (48395340).

Almost surely, 2^1043303313 is an apocalyptic number.

1043303313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1043303313 is a deficient number, since it is larger than the sum of its proper divisors (505347567).

1043303313 is a wasteful number, since it uses less digits than its factorization.

1043303313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7569.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1043303313 is about 32300.2060829339. The cubic root of 1043303313 is about 1014.2309568487.

Adding to 1043303313 its reverse (3133033401), we get a palindrome (4176336714).

The spelling of 1043303313 in words is "one billion, forty-three million, three hundred three thousand, three hundred thirteen".