13011303403 has 4 divisors (see below), whose sum is σ = 14870061040. Its totient is φ = 11152545768.

The previous prime is 13011303401. The next prime is 13011303419. The reversal of 13011303403 is 30430311031.

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

It is not a de Polignac number, because 13011303403 - 2¹ = 13011303401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13011303401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929378808 + ... + 929378821.

It is an arithmetic number, because the mean of its divisors is an integer number (3717515260).

Almost surely, 2^13011303403 is an apocalyptic number.

13011303403 is a deficient number, since it is larger than the sum of its proper divisors (1858757637).

13011303403 is an equidigital number, since it uses as much as digits as its factorization.

13011303403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858757636.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13011303403 its reverse (30430311031), we get a palindrome (43441614434).

The spelling of 13011303403 in words is "thirteen billion, eleven million, three hundred three thousand, four hundred three".