2013321303 has 12 divisors (see below), whose sum is σ = 3323578128. Its totient is φ = 1150469280.

The previous prime is 2013321253. The next prime is 2013321311. The reversal of 2013321303 is 3031233102.

2013321303 is a `hidden beast` number, since 201 + 332 + 130 + 3 = 666.

It is not a de Polignac number, because 2013321303 - 2⁸ = 2013321047 is a prime.

It is a super-2 number, since 2×2013321303² = 8106925338227235618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013321313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15978678 + ... + 15978803.

It is an arithmetic number, because the mean of its divisors is an integer number (276964844).

Almost surely, 2^2013321303 is an apocalyptic number.

2013321303 is a deficient number, since it is larger than the sum of its proper divisors (1310256825).

2013321303 is a wasteful number, since it uses less digits than its factorization.

2013321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31957494 (or 31957491 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2013321303 is about 44870.0490639357. The cubic root of 2013321303 is about 1262.7121605086.

Adding to 2013321303 its reverse (3031233102), we get a palindrome (5044554405).

The spelling of 2013321303 in words is "two billion, thirteen million, three hundred twenty-one thousand, three hundred three".