13131443214220 has 96 divisors (see below), whose sum is σ = 27980943943680. Its totient is φ = 5175726716160.

The previous prime is 13131443214173. The next prime is 13131443214221. The reversal of 13131443214220 is 2241234413131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13131443214221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2799282075 + ... + 2799286765.

It is an arithmetic number, because the mean of its divisors is an integer number (291468166080).

Almost surely, 2^{13131443214220} is an apocalyptic number.

13131443214220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131443214220 is an abundant number, since it is smaller than the sum of its proper divisors (14849500729460).

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

13131443214220 is a wasteful number, since it uses less digits than its factorization.

13131443214220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943 (or 7941 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 13131443214220 its reverse (2241234413131), we get a palindrome (15372677627351).

The spelling of 13131443214220 in words is "thirteen trillion, one hundred thirty-one billion, four hundred forty-three million, two hundred fourteen thousand, two hundred twenty".