344340243323211 has 16 divisors (see below), whose sum is σ = 469550180390400. Its totient is φ = 224359012119648.

The previous prime is 344340243323201. The next prime is 344340243323221. The reversal of 344340243323211 is 112323342043443.

It is an interprime number because it is at equal distance from previous prime (344340243323201) and next prime (344340243323221).

It is not a de Polignac number, because 344340243323211 - 2⁶ = 344340243323147 is a prime.

It is a super-2 number, since 2×344340243323211² (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 344340243323211.

It is not an unprimeable number, because it can be changed into a prime (344340243323201) 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, 1722135141 + ... + 1722335078.

It is an arithmetic number, because the mean of its divisors is an integer number (29346886274400).

Almost surely, 2^{344340243323211} is an apocalyptic number.

344340243323211 is a deficient number, since it is larger than the sum of its proper divisors (125209937067189).

344340243323211 is a wasteful number, since it uses less digits than its factorization.

344340243323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444470978.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 344340243323211 its reverse (112323342043443), we get a palindrome (456663585366654).

The spelling of 344340243323211 in words is "three hundred forty-four trillion, three hundred forty billion, two hundred forty-three million, three hundred twenty-three thousand, two hundred eleven".