343431512 has 16 divisors (see below), whose sum is σ = 650311200. Its totient is φ = 170015200.

The previous prime is 343431511. The next prime is 343431523. The reversal of 343431512 is 215134343.

It is a super-2 number, since 2×343431512² = 235890406869212288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343431511) 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 3 ways as a sum of consecutive naturals, for example, 211712 + ... + 213327.

It is an arithmetic number, because the mean of its divisors is an integer number (40644450).

Almost surely, 2^343431512 is an apocalyptic number.

It is an amenable number.

343431512 is a deficient number, since it is larger than the sum of its proper divisors (306879688).

343431512 is a wasteful number, since it uses less digits than its factorization.

343431512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425146 (or 425142 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 343431512 is about 18531.9052447394. The cubic root of 343431512 is about 700.2934225656.

Adding to 343431512 its reverse (215134343), we get a palindrome (558565855).

The spelling of 343431512 in words is "three hundred forty-three million, four hundred thirty-one thousand, five hundred twelve".