131320203392 has 64 divisors (see below), whose sum is σ = 299455712640. Its totient is φ = 56192040960.

The previous prime is 131320203361. The next prime is 131320203397. The reversal of 131320203392 is 293302023131.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (131320203397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460013 + ... + 688659.

It is an arithmetic number, because the mean of its divisors is an integer number (4678995510).

Almost surely, 2^131320203392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131320203392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149727856320).

131320203392 is an abundant number, since it is smaller than the sum of its proper divisors (168135509248).

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

131320203392 is an equidigital number, since it uses as much as digits as its factorization.

131320203392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229309 (or 229297 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 131320203392 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred three thousand, three hundred ninety-two".