13631114531 has 2 divisors, whose sum is σ = 13631114532. Its totient is φ = 13631114530.

The previous prime is 13631114521. The next prime is 13631114543. The reversal of 13631114531 is 13541113631.

It is a happy number.

13631114531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13541113631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13631114531 - 2¹⁸ = 13630852387 is a prime.

It is a super-2 number, since 2×13631114531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13631114494 and 13631114503.

It is not a weakly prime, because it can be changed into another prime (13631114521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815557265 + 6815557266.

It is an arithmetic number, because the mean of its divisors is an integer number (6815557266).

Almost surely, 2^13631114531 is an apocalyptic number.

13631114531 is a deficient number, since it is larger than the sum of its proper divisors (1).

13631114531 is an equidigital number, since it uses as much as digits as its factorization.

13631114531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The spelling of 13631114531 in words is "thirteen billion, six hundred thirty-one million, one hundred fourteen thousand, five hundred thirty-one".