13530131347 has 4 divisors (see below), whose sum is σ = 13589215120. Its totient is φ = 13471047576.

The previous prime is 13530131333. The next prime is 13530131359. The reversal of 13530131347 is 74313103531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13530131347 - 2¹⁵ = 13530098579 is a prime.

It is a super-3 number, since 3×13530131347³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530131327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29541543 + ... + 29542000.

It is an arithmetic number, because the mean of its divisors is an integer number (3397303780).

Almost surely, 2^13530131347 is an apocalyptic number.

13530131347 is a deficient number, since it is larger than the sum of its proper divisors (59083773).

13530131347 is an equidigital number, since it uses as much as digits as its factorization.

13530131347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59083772.

The product of its (nonzero) digits is 11340, while the sum is 31.

Adding to 13530131347 its reverse (74313103531), we get a palindrome (87843234878).

The spelling of 13530131347 in words is "thirteen billion, five hundred thirty million, one hundred thirty-one thousand, three hundred forty-seven".