343131412 has 24 divisors (see below), whose sum is σ = 680708000. Its totient is φ = 150032736.

The previous prime is 343131407. The next prime is 343131413. The reversal of 343131412 is 214131343.

It is a super-2 number, since 2×343131412² = 235478331802227488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343131413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172662 + ... + 174637.

Almost surely, 2^343131412 is an apocalyptic number.

It is an amenable number.

343131412 is a deficient number, since it is larger than the sum of its proper divisors (337576588).

343131412 is a wasteful number, since it uses less digits than its factorization.

343131412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347335 (or 347333 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 343131412 is about 18523.8066282284. The cubic root of 343131412 is about 700.0893845042.

Adding to 343131412 its reverse (214131343), we get a palindrome (557262755).

It can be divided in two parts, 3431 and 31412, that added together give a palindrome (34843).

The spelling of 343131412 in words is "three hundred forty-three million, one hundred thirty-one thousand, four hundred twelve".