13203013133 has 4 divisors (see below), whose sum is σ = 13204167900. Its totient is φ = 13201858368.

The previous prime is 13203013121. The next prime is 13203013139. The reversal of 13203013133 is 33131030231.

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 11869448809 + 1333564324 = 108947^2 + 36518^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203013133 - 2¹² = 13203009037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203013139) 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, 560060 + ... + 583157.

It is an arithmetic number, because the mean of its divisors is an integer number (3301041975).

Almost surely, 2^13203013133 is an apocalyptic number.

It is an amenable number.

13203013133 is a deficient number, since it is larger than the sum of its proper divisors (1154767).

13203013133 is a wasteful number, since it uses less digits than its factorization.

13203013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154766.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13203013133 its reverse (33131030231), we get a palindrome (46334043364).

The spelling of 13203013133 in words is "thirteen billion, two hundred three million, thirteen thousand, one hundred thirty-three".