13220131132 has 24 divisors (see below), whose sum is σ = 25062304400. Its totient is φ = 6101594928.

The previous prime is 13220131109. The next prime is 13220131147. The reversal of 13220131132 is 23113102231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743382 + ... + 760957.

Almost surely, 2^13220131132 is an apocalyptic number.

It is an amenable number.

13220131132 is a deficient number, since it is larger than the sum of its proper divisors (11842173268).

13220131132 is a wasteful number, since it uses less digits than its factorization.

13220131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504382 (or 1504354 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13220131132 its reverse (23113102231), we get a palindrome (36333233363).

The spelling of 13220131132 in words is "thirteen billion, two hundred twenty million, one hundred thirty-one thousand, one hundred thirty-two".