13001331403 has 8 divisors (see below), whose sum is σ = 13066012800. Its totient is φ = 12936771648.

The previous prime is 13001331377. The next prime is 13001331433. The reversal of 13001331403 is 30413310031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13001331403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001331433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187750 + ... + 247492.

It is an arithmetic number, because the mean of its divisors is an integer number (1633251600).

Almost surely, 2^13001331403 is an apocalyptic number.

13001331403 is a deficient number, since it is larger than the sum of its proper divisors (64681397).

13001331403 is an equidigital number, since it uses as much as digits as its factorization.

13001331403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60821.

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

Adding to 13001331403 its reverse (30413310031), we get a palindrome (43414641434).

The spelling of 13001331403 in words is "thirteen billion, one million, three hundred thirty-one thousand, four hundred three".