131115203244032 has 312 divisors, whose sum is σ = 309865117959936. Its totient is φ = 55302282706944.

The previous prime is 131115203244023. The next prime is 131115203244061. The reversal of 131115203244032 is 230442302511131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 131115203244032.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4381152653 + ... + 4381182579.

Almost surely, 2^{131115203244032} 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 131115203244032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154932558979968).

131115203244032 is an abundant number, since it is smaller than the sum of its proper divisors (178749914715904).

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

131115203244032 is an equidigital number, since it uses as much as digits as its factorization.

131115203244032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30311 (or 30282 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 131115203244032 its reverse (230442302511131), we get a palindrome (361557505755163).

The spelling of 131115203244032 in words is "one hundred thirty-one trillion, one hundred fifteen billion, two hundred three million, two hundred forty-four thousand, thirty-two".