13281131462 has 4 divisors (see below), whose sum is σ = 19921697196. Its totient is φ = 6640565730.

The previous prime is 13281131443. The next prime is 13281131483. The reversal of 13281131462 is 26413118231.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3320282864 + ... + 3320282867.

It is an arithmetic number, because the mean of its divisors is an integer number (4980424299).

Almost surely, 2^13281131462 is an apocalyptic number.

13281131462 is a deficient number, since it is larger than the sum of its proper divisors (6640565734).

13281131462 is an equidigital number, since it uses as much as digits as its factorization.

13281131462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640565733.

The product of its digits is 6912, while the sum is 32.

Adding to 13281131462 its reverse (26413118231), we get a palindrome (39694249693).

The spelling of 13281131462 in words is "thirteen billion, two hundred eighty-one million, one hundred thirty-one thousand, four hundred sixty-two".