131322512334 has 72 divisors (see below), whose sum is σ = 285628735080. Its totient is φ = 40233203712.

The previous prime is 131322512323. The next prime is 131322512359. The reversal of 131322512334 is 433215223131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 227595054 + ... + 227595630.

It is an arithmetic number, because the mean of its divisors is an integer number (3967065765).

Almost surely, 2^131322512334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131322512334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142814367540).

131322512334 is an abundant number, since it is smaller than the sum of its proper divisors (154306222746).

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

131322512334 is an equidigital number, since it uses as much as digits as its factorization.

131322512334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 984 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

Adding to 131322512334 its reverse (433215223131), we get a palindrome (564537735465).

The spelling of 131322512334 in words is "one hundred thirty-one billion, three hundred twenty-two million, five hundred twelve thousand, three hundred thirty-four".