343021231211 has 16 divisors (see below), whose sum is σ = 366449196960. Its totient is φ = 319960842240.

The previous prime is 343021231169. The next prime is 343021231261. The reversal of 343021231211 is 112132120343.

It is a cyclic number.

It is not a de Polignac number, because 343021231211 - 2²² = 343017036907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343021231261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612415 + ... + 1812711.

It is an arithmetic number, because the mean of its divisors is an integer number (22903074810).

Almost surely, 2^343021231211 is an apocalyptic number.

343021231211 is a deficient number, since it is larger than the sum of its proper divisors (23427965749).

343021231211 is a wasteful number, since it uses less digits than its factorization.

343021231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201214.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 343021231211 its reverse (112132120343), we get a palindrome (455153351554).

The spelling of 343021231211 in words is "three hundred forty-three billion, twenty-one million, two hundred thirty-one thousand, two hundred eleven".