13281100108 has 12 divisors (see below), whose sum is σ = 23569276752. Its totient is φ = 6547021040.

The previous prime is 13281100103. The next prime is 13281100109. The reversal of 13281100108 is 80100118231.

It is a super-2 number, since 2×13281100108² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13281100103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23381935 + ... + 23382502.

It is an arithmetic number, because the mean of its divisors is an integer number (1964106396).

Almost surely, 2^13281100108 is an apocalyptic number.

It is an amenable number.

13281100108 is a deficient number, since it is larger than the sum of its proper divisors (10288176644).

13281100108 is a wasteful number, since it uses less digits than its factorization.

13281100108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46764512 (or 46764510 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 13281100108 its reverse (80100118231), we get a palindrome (93381218339).

The spelling of 13281100108 in words is "thirteen billion, two hundred eighty-one million, one hundred thousand, one hundred eight".