13131132202120 has 16 divisors (see below), whose sum is σ = 29545047454860. Its totient is φ = 5252452880832.

The previous prime is 13131132202063. The next prime is 13131132202171. The reversal of 13131132202120 is 2120223113131.

It can be written as a sum of positive squares in 2 ways, for example, as 12331713815716 + 799418386404 = 3511654^2 + 894102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13131132202091 and 13131132202100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164139152487 + ... + 164139152566.

Almost surely, 2^{13131132202120} is an apocalyptic number.

13131132202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131132202120 is an abundant number, since it is smaller than the sum of its proper divisors (16413915252740).

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

13131132202120 is a wasteful number, since it uses less digits than its factorization.

13131132202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328278305064 (or 328278305060 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13131132202120 its reverse (2120223113131), we get a palindrome (15251355315251).

The spelling of 13131132202120 in words is "thirteen trillion, one hundred thirty-one billion, one hundred thirty-two million, two hundred two thousand, one hundred twenty".