13003203313 has 4 divisors (see below), whose sum is σ = 13005714420. Its totient is φ = 13000692208.

The previous prime is 13003203233. The next prime is 13003203319. The reversal of 13003203313 is 31330230031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9932713569 + 3070489744 = 99663^2 + 55412^2 .

It is a cyclic number.

It is not a de Polignac number, because 13003203313 - 2²¹ = 13001106161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13003203319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247770 + ... + 1258147.

It is an arithmetic number, because the mean of its divisors is an integer number (3251428605).

Almost surely, 2^13003203313 is an apocalyptic number.

It is an amenable number.

13003203313 is a deficient number, since it is larger than the sum of its proper divisors (2511107).

13003203313 is an equidigital number, since it uses as much as digits as its factorization.

13003203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511106.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 13003203313 its reverse (31330230031), we get a palindrome (44333433344).

The spelling of 13003203313 in words is "thirteen billion, three million, two hundred three thousand, three hundred thirteen".