131404230340 has 96 divisors (see below), whose sum is σ = 287184844800. Its totient is φ = 50450549760.

The previous prime is 131404230281. The next prime is 131404230367. The reversal of 131404230340 is 43032404131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81667456 + ... + 81669064.

It is an arithmetic number, because the mean of its divisors is an integer number (2991508800).

Almost surely, 2^131404230340 is an apocalyptic number.

131404230340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131404230340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143592422400).

131404230340 is an abundant number, since it is smaller than the sum of its proper divisors (155780614460).

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

131404230340 is a wasteful number, since it uses less digits than its factorization.

131404230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 131404230340 its reverse (43032404131), we get a palindrome (174436634471).

The spelling of 131404230340 in words is "one hundred thirty-one billion, four hundred four million, two hundred thirty thousand, three hundred forty".