131065243512 has 96 divisors (see below), whose sum is σ = 381596746320. Its totient is φ = 37404218880.

The previous prime is 131065243483. The next prime is 131065243577. The reversal of 131065243512 is 215342560131.

It is a congruent number.

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, 967812 + ... + 1094892.

Almost surely, 2^131065243512 is an apocalyptic number.

131065243512 is a gapful number since it is divisible by the number (12) 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 131065243512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190798373160).

131065243512 is an abundant number, since it is smaller than the sum of its proper divisors (250531502808).

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

131065243512 is a wasteful number, since it uses less digits than its factorization.

131065243512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127981 (or 127970 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 131065243512 in words is "one hundred thirty-one billion, sixty-five million, two hundred forty-three thousand, five hundred twelve".