13131210312200 has 48 divisors (see below), whose sum is σ = 30553749652500. Its totient is φ = 5248409169920.

The previous prime is 13131210312193. The next prime is 13131210312223. The reversal of 13131210312200 is 221301213131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11104476546244 + 2026733765956 = 3332338^2 + 1423634^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25210025 + ... + 25725624.

Almost surely, 2^{13131210312200} is an apocalyptic number.

13131210312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131210312200 is an abundant number, since it is smaller than the sum of its proper divisors (17422539340300).

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

13131210312200 is a wasteful number, since it uses less digits than its factorization.

13131210312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50936954 (or 50936945 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13131210312200 its reverse (221301213131), we get a palindrome (13352511525331).

The spelling of 13131210312200 in words is "thirteen trillion, one hundred thirty-one billion, two hundred ten million, three hundred twelve thousand, two hundred".