131530836243 has 8 divisors (see below), whose sum is σ = 176343368656. Its totient is φ = 87202764000.

The previous prime is 131530836211. The next prime is 131530836301. The reversal of 131530836243 is 342638035131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131530836243 - 2⁵ = 131530836211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131530836443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121114408 + ... + 121115493.

It is an arithmetic number, because the mean of its divisors is an integer number (22042921082).

Almost surely, 2^131530836243 is an apocalyptic number.

131530836243 is a deficient number, since it is larger than the sum of its proper divisors (44812532413).

131530836243 is a wasteful number, since it uses less digits than its factorization.

131530836243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242230085.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 131530836243 in words is "one hundred thirty-one billion, five hundred thirty million, eight hundred thirty-six thousand, two hundred forty-three".