13020043003 has 4 divisors (see below), whose sum is σ = 14203683288. Its totient is φ = 11836402720.

The previous prime is 13020042991. The next prime is 13020043031. The reversal of 13020043003 is 30034002031.

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

It is a cyclic number.

It is not a de Polignac number, because 13020043003 - 2⁹ = 13020042491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020043063) 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, 591820126 + ... + 591820147.

It is an arithmetic number, because the mean of its divisors is an integer number (3550920822).

Almost surely, 2^13020043003 is an apocalyptic number.

13020043003 is a deficient number, since it is larger than the sum of its proper divisors (1183640285).

13020043003 is a wasteful number, since it uses less digits than its factorization.

13020043003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183640284.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 13020043003 its reverse (30034002031), we get a palindrome (43054045034).

The spelling of 13020043003 in words is "thirteen billion, twenty million, forty-three thousand, three".