1003313445 has 8 divisors (see below), whose sum is σ = 1605301536. Its totient is φ = 535100496.

The previous prime is 1003313431. The next prime is 1003313447. The reversal of 1003313445 is 5443133001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1003313445 - 2⁸ = 1003313189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003313447) 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 7 ways as a sum of consecutive naturals, for example, 33443767 + ... + 33443796.

It is an arithmetic number, because the mean of its divisors is an integer number (200662692).

Almost surely, 2^1003313445 is an apocalyptic number.

1003313445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1003313445 is a deficient number, since it is larger than the sum of its proper divisors (601988091).

1003313445 is an equidigital number, since it uses as much as digits as its factorization.

1003313445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66887571.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1003313445 is about 31675.1234409592. The cubic root of 1003313445 is about 1001.1032640275.

Adding to 1003313445 its reverse (5443133001), we get a palindrome (6446446446).

The spelling of 1003313445 in words is "one billion, three million, three hundred thirteen thousand, four hundred forty-five".