9903313 has 12 divisors (see below), whose sum is σ = 11948160. Its totient is φ = 8039736.

The previous prime is 9903307. The next prime is 9903331. The reversal of 9903313 is 3133099.

It is a happy number.

9903313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9903313 - 2⁵ = 9903281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9903713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (995680).

Almost surely, 2^9903313 is an apocalyptic number.

It is an amenable number.

9903313 is a deficient number, since it is larger than the sum of its proper divisors (2044847).

9903313 is a wasteful number, since it uses less digits than its factorization.

9903313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 9903313 is about 3146.9529707322. The cubic root of 9903313 is about 214.7468663189.

The spelling of 9903313 in words is "nine million, nine hundred three thousand, three hundred thirteen".