13530131333 has 2 divisors, whose sum is σ = 13530131334. Its totient is φ = 13530131332.

The previous prime is 13530131327. The next prime is 13530131359. The reversal of 13530131333 is 33313103531.

It is a happy number.

It is an a-pointer prime, because the next prime (13530131359) can be obtained adding 13530131333 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12458354689 + 1071776644 = 111617^2 + 32738^2 .

It is a cyclic number.

It is not a de Polignac number, because 13530131333 - 2⁶ = 13530131269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530130333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765065666 + 6765065667.

It is an arithmetic number, because the mean of its divisors is an integer number (6765065667).

Almost surely, 2^13530131333 is an apocalyptic number.

It is an amenable number.

13530131333 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530131333 is an equidigital number, since it uses as much as digits as its factorization.

13530131333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 26.

Adding to 13530131333 its reverse (33313103531), we get a palindrome (46843234864).

The spelling of 13530131333 in words is "thirteen billion, five hundred thirty million, one hundred thirty-one thousand, three hundred thirty-three".