131143123232 has 96 divisors (see below), whose sum is σ = 289943660160. Its totient is φ = 57864775680.

The previous prime is 131143123213. The next prime is 131143123277. The reversal of 131143123232 is 232321341131.

It is a happy number.

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, 5706068 + ... + 5729004.

It is an arithmetic number, because the mean of its divisors is an integer number (3020246460).

Almost surely, 2^131143123232 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 131143123232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144971830080).

131143123232 is an abundant number, since it is smaller than the sum of its proper divisors (158800536928).

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

131143123232 is a wasteful number, since it uses less digits than its factorization.

131143123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23434 (or 23426 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 131143123232 its reverse (232321341131), we get a palindrome (363464464363).

The spelling of 131143123232 in words is "one hundred thirty-one billion, one hundred forty-three million, one hundred twenty-three thousand, two hundred thirty-two".