13531001100 has 36 divisors (see below), whose sum is σ = 39149697384. Its totient is φ = 3608266880.

The previous prime is 13531001093. The next prime is 13531001137. The reversal of 13531001100 is 110013531.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13531001100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22551369 + ... + 22551968.

It is an arithmetic number, because the mean of its divisors is an integer number (1087491594).

Almost surely, 2^13531001100 is an apocalyptic number.

13531001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531001100 is an abundant number, since it is smaller than the sum of its proper divisors (25618696284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531001100 is a wasteful number, since it uses less digits than its factorization.

13531001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45103354 (or 45103347 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 15.

Adding to 13531001100 its reverse (110013531), we get a palindrome (13641014631).

The spelling of 13531001100 in words is "thirteen billion, five hundred thirty-one million, one thousand, one hundred".