13133315441 has 2 divisors, whose sum is σ = 13133315442. Its totient is φ = 13133315440.

The previous prime is 13133315417. The next prime is 13133315477. The reversal of 13133315441 is 14451333131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9323833600 + 3809481841 = 96560^2 + 61721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13133315441 is a prime.

It is a super-3 number, since 3×13133315441³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13133315401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566657720 + 6566657721.

It is an arithmetic number, because the mean of its divisors is an integer number (6566657721).

Almost surely, 2^13133315441 is an apocalyptic number.

It is an amenable number.

13133315441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13133315441 is an equidigital number, since it uses as much as digits as its factorization.

13133315441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

Adding to 13133315441 its reverse (14451333131), we get a palindrome (27584648572).

The spelling of 13133315441 in words is "thirteen billion, one hundred thirty-three million, three hundred fifteen thousand, four hundred forty-one".