243041143310331 has 8 divisors (see below), whose sum is σ = 324056018601744. Its totient is φ = 162026848446240.

The previous prime is 243041143310279. The next prime is 243041143310341. The reversal of 243041143310331 is 133013341140342.

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

It is a de Polignac number, because none of the positive numbers 2^k-243041143310331 is a prime.

It is a super-2 number, since 2×243041143310331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243041143310292 and 243041143310301.

It is not an unprimeable number, because it can be changed into a prime (243041143310341) 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, 144128856 + ... + 145805381.

It is an arithmetic number, because the mean of its divisors is an integer number (40507002325218).

Almost surely, 2^{243041143310331} is an apocalyptic number.

243041143310331 is a deficient number, since it is larger than the sum of its proper divisors (81014875291413).

243041143310331 is a wasteful number, since it uses less digits than its factorization.

243041143310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290213661.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 243041143310331 its reverse (133013341140342), we get a palindrome (376054484450673).

The spelling of 243041143310331 in words is "two hundred forty-three trillion, forty-one billion, one hundred forty-three million, three hundred ten thousand, three hundred thirty-one".