13531004287 has 2 divisors, whose sum is σ = 13531004288. Its totient is φ = 13531004286.

The previous prime is 13531004281. The next prime is 13531004309. The reversal of 13531004287 is 78240013531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13531004287 - 2¹⁹ = 13530479999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531004281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765502143 + 6765502144.

It is an arithmetic number, because the mean of its divisors is an integer number (6765502144).

Almost surely, 2^13531004287 is an apocalyptic number.

13531004287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531004287 is an equidigital number, since it uses as much as digits as its factorization.

13531004287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 13531004287 in words is "thirteen billion, five hundred thirty-one million, four thousand, two hundred eighty-seven".