243131021341 has 8 divisors (see below), whose sum is σ = 262122101024. Its totient is φ = 224181183600.

The previous prime is 243131021339. The next prime is 243131021347. The reversal of 243131021341 is 143120131342.

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 243131021341 - 2¹ = 243131021339 is a prime.

It is a super-2 number, since 2×243131021341² (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 (243131021347) 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, 10298235 + ... + 10321816.

It is an arithmetic number, because the mean of its divisors is an integer number (32765262628).

Almost surely, 2^243131021341 is an apocalyptic number.

It is an amenable number.

243131021341 is a deficient number, since it is larger than the sum of its proper divisors (18991079683).

243131021341 is a wasteful number, since it uses less digits than its factorization.

243131021341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20620971.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 243131021341 its reverse (143120131342), we get a palindrome (386251152683).

The spelling of 243131021341 in words is "two hundred forty-three billion, one hundred thirty-one million, twenty-one thousand, three hundred forty-one".