13133442303 has 20 divisors (see below), whose sum is σ = 19951627080. Its totient is φ = 8607224592.

The previous prime is 13133442281. The next prime is 13133442323. The reversal of 13133442303 is 30324433131.

13133442303 is a `hidden beast` number, since 1 + 3 + 13 + 344 + 2 + 303 = 666.

It is not a de Polignac number, because 13133442303 - 2⁶ = 13133442239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133442323) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1369300 + ... + 1378857.

It is an arithmetic number, because the mean of its divisors is an integer number (997581354).

Almost surely, 2^13133442303 is an apocalyptic number.

13133442303 is a deficient number, since it is larger than the sum of its proper divisors (6818184777).

13133442303 is an equidigital number, since it uses as much as digits as its factorization.

13133442303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748228 (or 2748219 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13133442303 its reverse (30324433131), we get a palindrome (43457875434).

The spelling of 13133442303 in words is "thirteen billion, one hundred thirty-three million, four hundred forty-two thousand, three hundred three".