343413203341121 has 4 divisors (see below), whose sum is σ = 343413647877552. Its totient is φ = 343412758804692.

The previous prime is 343413203341067. The next prime is 343413203341147. The reversal of 343413203341121 is 121143302314343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343413203341121 - 2⁴² = 339015156830017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343413203347121) 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, 221107415 + ... + 222655148.

It is an arithmetic number, because the mean of its divisors is an integer number (85853411969388).

Almost surely, 2^{343413203341121} is an apocalyptic number.

It is an amenable number.

343413203341121 is a deficient number, since it is larger than the sum of its proper divisors (444536431).

343413203341121 is an equidigital number, since it uses as much as digits as its factorization.

343413203341121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444536430.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 343413203341121 its reverse (121143302314343), we get a palindrome (464556505655464).

The spelling of 343413203341121 in words is "three hundred forty-three trillion, four hundred thirteen billion, two hundred three million, three hundred forty-one thousand, one hundred twenty-one".