13281131463 has 16 divisors (see below), whose sum is σ = 18307239936. Its totient is φ = 8557725600.

The previous prime is 13281131443. The next prime is 13281131483. The reversal of 13281131463 is 36413118231.

It is an interprime number because it is at equal distance from previous prime (13281131443) and next prime (13281131483).

It is not a de Polignac number, because 13281131463 - 2²⁸ = 13012696007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13281131443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379431 + ... + 412952.

It is an arithmetic number, because the mean of its divisors is an integer number (1144202496).

Almost surely, 2^13281131463 is an apocalyptic number.

13281131463 is a deficient number, since it is larger than the sum of its proper divisors (5026108473).

13281131463 is a wasteful number, since it uses less digits than its factorization.

13281131463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792574.

The product of its digits is 10368, while the sum is 33.

Adding to 13281131463 its reverse (36413118231), we get a palindrome (49694249694).

The spelling of 13281131463 in words is "thirteen billion, two hundred eighty-one million, one hundred thirty-one thousand, four hundred sixty-three".