343540023531231 has 8 divisors (see below), whose sum is σ = 458061327345024. Its totient is φ = 229022701035800.

The previous prime is 343540023531223. The next prime is 343540023531281. The reversal of 343540023531231 is 132135320045343.

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 343540023531231 - 2³ = 343540023531223 is a prime.

It is a super-2 number, since 2×343540023531231² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343540023531231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343540023531281) 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, 995128245 + ... + 995473406.

It is an arithmetic number, because the mean of its divisors is an integer number (57257665918128).

Almost surely, 2^{343540023531231} is an apocalyptic number.

343540023531231 is a deficient number, since it is larger than the sum of its proper divisors (114521303813793).

343540023531231 is a wasteful number, since it uses less digits than its factorization.

343540023531231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990659181.

The product of its (nonzero) digits is 388800, while the sum is 39.

Adding to 343540023531231 its reverse (132135320045343), we get a palindrome (475675343576574).

The spelling of 343540023531231 in words is "three hundred forty-three trillion, five hundred forty billion, twenty-three million, five hundred thirty-one thousand, two hundred thirty-one".