131530243013 has 8 divisors (see below), whose sum is σ = 142042521600. Its totient is φ = 121074331248.

The previous prime is 131530243003. The next prime is 131530243051. The reversal of 131530243013 is 310342035131.

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

It is not a de Polignac number, because 131530243013 - 2⁴ = 131530242997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131530243003) 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, 14086853 + ... + 14096186.

It is an arithmetic number, because the mean of its divisors is an integer number (17755315200).

Almost surely, 2^131530243013 is an apocalyptic number.

131530243013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131530243013 is a deficient number, since it is larger than the sum of its proper divisors (10512278587).

131530243013 is a wasteful number, since it uses less digits than its factorization.

131530243013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28183411.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 131530243013 its reverse (310342035131), we get a palindrome (441872278144).

The spelling of 131530243013 in words is "one hundred thirty-one billion, five hundred thirty million, two hundred forty-three thousand, thirteen".