13211103040 has 56 divisors (see below), whose sum is σ = 31812478920. Its totient is φ = 5225054208.

The previous prime is 13211103007. The next prime is 13211103097. The reversal of 13211103040 is 4030111231.

It can be written as a sum of positive squares in 4 ways, for example, as 375119424 + 12835983616 = 19368^2 + 113296^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203457 + ... + 260416.

Almost surely, 2^13211103040 is an apocalyptic number.

13211103040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211103040 is an abundant number, since it is smaller than the sum of its proper divisors (18601375880).

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

13211103040 is an equidigital number, since it uses as much as digits as its factorization.

13211103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463979 (or 463969 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13211103040 its reverse (4030111231), we get a palindrome (17241214271).

The spelling of 13211103040 in words is "thirteen billion, two hundred eleven million, one hundred three thousand, forty".