13531202205 has 16 divisors (see below), whose sum is σ = 21651701760. Its totient is φ = 7216048448.

The previous prime is 13531202177. The next prime is 13531202219. The reversal of 13531202205 is 50220213531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13531202205 - 2⁶ = 13531202141 is a prime.

It is a super-2 number, since 2×13531202205² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201019 + ... + 259751.

It is an arithmetic number, because the mean of its divisors is an integer number (1353231360).

Almost surely, 2^13531202205 is an apocalyptic number.

13531202205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13531202205 is a deficient number, since it is larger than the sum of its proper divisors (8120499555).

13531202205 is a wasteful number, since it uses less digits than its factorization.

13531202205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74100.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 13531202205 its reverse (50220213531), we get a palindrome (63751415736).

The spelling of 13531202205 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, two hundred five".