343121411243231 has 4 divisors (see below), whose sum is σ = 343208431640592. Its totient is φ = 343034390845872.

The previous prime is 343121411243227. The next prime is 343121411243243. The reversal of 343121411243231 is 132342114121343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343121411243231 - 2² = 343121411243227 is a prime.

It is a super-2 number, since 2×343121411243231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343121411243191 and 343121411243200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343121411243431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43510192766 + ... + 43510200651.

It is an arithmetic number, because the mean of its divisors is an integer number (85802107910148).

Almost surely, 2^{343121411243231} is an apocalyptic number.

343121411243231 is a deficient number, since it is larger than the sum of its proper divisors (87020397361).

343121411243231 is an equidigital number, since it uses as much as digits as its factorization.

343121411243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87020397360.

The product of its digits is 41472, while the sum is 35.

Adding to 343121411243231 its reverse (132342114121343), we get a palindrome (475463525364574).

The spelling of 343121411243231 in words is "three hundred forty-three trillion, one hundred twenty-one billion, four hundred eleven million, two hundred forty-three thousand, two hundred thirty-one".