13131022208 has 64 divisors (see below), whose sum is σ = 28056099600. Its totient is φ = 6102540288.

The previous prime is 13131022181. The next prime is 13131022217. The reversal of 13131022208 is 80222013131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 77960 + ... + 179832.

Almost surely, 2^13131022208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131022208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14028049800).

13131022208 is an abundant number, since it is smaller than the sum of its proper divisors (14925077392).

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

13131022208 is a wasteful number, since it uses less digits than its factorization.

13131022208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101959 (or 101947 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13131022208 its reverse (80222013131), we get a palindrome (93353035339).

The spelling of 13131022208 in words is "thirteen billion, one hundred thirty-one million, twenty-two thousand, two hundred eight".