243131531341 has 8 divisors (see below), whose sum is σ = 244365789600. Its totient is φ = 241899721200.

The previous prime is 243131531317. The next prime is 243131531371. The reversal of 243131531341 is 143135131342.

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

It is a cyclic number.

It is not a de Polignac number, because 243131531341 - 2⁷ = 243131531213 is a prime.

It is a super-2 number, since 2×243131531341² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243131531371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412735 + ... + 810316.

It is an arithmetic number, because the mean of its divisors is an integer number (30545723700).

Almost surely, 2^243131531341 is an apocalyptic number.

It is an amenable number.

243131531341 is a deficient number, since it is larger than the sum of its proper divisors (1234258259).

243131531341 is a wasteful number, since it uses less digits than its factorization.

243131531341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224059.

The product of its digits is 12960, while the sum is 31.

Adding to 243131531341 its reverse (143135131342), we get a palindrome (386266662683).

The spelling of 243131531341 in words is "two hundred forty-three billion, one hundred thirty-one million, five hundred thirty-one thousand, three hundred forty-one".