343103311312 has 40 divisors (see below), whose sum is σ = 687315810560. Its totient is φ = 165749379840.

The previous prime is 343103311289. The next prime is 343103311319. The reversal of 343103311312 is 213113301343.

It is a super-2 number, since 2×343103311312² (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 (343103311319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251733 + ... + 865780.

It is an arithmetic number, because the mean of its divisors is an integer number (17182895264).

Almost surely, 2^343103311312 is an apocalyptic number.

It is an amenable number.

343103311312 is an abundant number, since it is smaller than the sum of its proper divisors (344212499248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343103311312 is a wasteful number, since it uses less digits than its factorization.

343103311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118171 (or 1118165 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 343103311312 its reverse (213113301343), we get a palindrome (556216612655).

The spelling of 343103311312 in words is "three hundred forty-three billion, one hundred three million, three hundred eleven thousand, three hundred twelve".