343211111005 has 16 divisors (see below), whose sum is σ = 470716329600. Its totient is φ = 235331358912.

The previous prime is 343211111003. The next prime is 343211111017. The reversal of 343211111005 is 500111112343.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 343211111005 - 2¹ = 343211111003 is a prime.

It is a super-2 number, since 2×343211111005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343211111003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365062 + ... + 905368.

It is an arithmetic number, because the mean of its divisors is an integer number (29419770600).

Almost surely, 2^343211111005 is an apocalyptic number.

343211111005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343211111005 is a deficient number, since it is larger than the sum of its proper divisors (127505218595).

343211111005 is a wasteful number, since it uses less digits than its factorization.

343211111005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558468.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 343211111005 its reverse (500111112343), we get a palindrome (843322223348).

The spelling of 343211111005 in words is "three hundred forty-three billion, two hundred eleven million, one hundred eleven thousand, five".