13530131 has 2 divisors, whose sum is σ = 13530132. Its totient is φ = 13530130.

The previous prime is 13530119. The next prime is 13530133. The reversal of 13530131 is 13103531.

13530131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13530131 - 2⁶ = 13530067 is a prime.

It is a super-2 number, since 2×13530131² = 366128889754322, which contains 22 as substring.

Together with 13530133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13530133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765065 + 6765066.

It is an arithmetic number, because the mean of its divisors is an integer number (6765066).

Almost surely, 2^13530131 is an apocalyptic number.

13530131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530131 is an equidigital number, since it uses as much as digits as its factorization.

13530131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 13530131 is about 3678.3326385742. The cubic root of 13530131 is about 238.2871742427.

Adding to 13530131 its reverse (13103531), we get a palindrome (26633662).

The spelling of 13530131 in words is "thirteen million, five hundred thirty thousand, one hundred thirty-one".