13131120220332 has 48 divisors (see below), whose sum is σ = 30651542568192. Its totient is φ = 4375288681920.

The previous prime is 13131120220321. The next prime is 13131120220349. The reversal of 13131120220332 is 23302202113131.

13131120220332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501500113 + ... + 501526295.

It is an arithmetic number, because the mean of its divisors is an integer number (638573803504).

Almost surely, 2^{13131120220332} is an apocalyptic number.

13131120220332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13131120220332 is an abundant number, since it is smaller than the sum of its proper divisors (17520422347860).

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

13131120220332 is a wasteful number, since it uses less digits than its factorization.

13131120220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41318 (or 41316 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13131120220332 its reverse (23302202113131), we get a palindrome (36433322333463).

The spelling of 13131120220332 in words is "thirteen trillion, one hundred thirty-one billion, one hundred twenty million, two hundred twenty thousand, three hundred thirty-two".