131343001432320 has 144 divisors (see below), whose sum is σ = 425737558088640. Its totient is φ = 34502042099712.

The previous prime is 131343001432231. The next prime is 131343001432369. The reversal of 131343001432320 is 23234100343131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254995755 + ... + 255510314.

It is an arithmetic number, because the mean of its divisors is an integer number (2956510820060).

Almost surely, 2^{131343001432320} is an apocalyptic number.

131343001432320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131343001432320 is an abundant number, since it is smaller than the sum of its proper divisors (294394556656320).

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

131343001432320 is an equidigital number, since it uses as much as digits as its factorization.

131343001432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510506160 (or 510506146 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 131343001432320 its reverse (23234100343131), we get a palindrome (154577101775451).

The spelling of 131343001432320 in words is "one hundred thirty-one trillion, three hundred forty-three billion, one million, four hundred thirty-two thousand, three hundred twenty".