13531202252 has 6 divisors (see below), whose sum is σ = 23679603948. Its totient is φ = 6765601124.

The previous prime is 13531202231. The next prime is 13531202263. The reversal of 13531202252 is 25220213531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1691400278 + ... + 1691400285.

It is an arithmetic number, because the mean of its divisors is an integer number (3946600658).

Almost surely, 2^13531202252 is an apocalyptic number.

It is an amenable number.

13531202252 is a deficient number, since it is larger than the sum of its proper divisors (10148401696).

13531202252 is a wasteful number, since it uses less digits than its factorization.

13531202252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382800567 (or 3382800565 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13531202252 its reverse (25220213531), we get a palindrome (38751415783).

The spelling of 13531202252 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, two hundred fifty-two".