343130431 has 16 divisors (see below), whose sum is σ = 419342400. Its totient is φ = 274060800.

The previous prime is 343130401. The next prime is 343130453. The reversal of 343130431 is 134031343.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 343130431 - 2¹⁵ = 343097663 is a prime.

It is a super-2 number, since 2×343130431² = 235476985356491522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343130401) 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, 2256 + ... + 26293.

It is an arithmetic number, because the mean of its divisors is an integer number (26208900).

Almost surely, 2^343130431 is an apocalyptic number.

343130431 is a deficient number, since it is larger than the sum of its proper divisors (76211969).

343130431 is a wasteful number, since it uses less digits than its factorization.

343130431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28674.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 343130431 is about 18523.7801487709. The cubic root of 343130431 is about 700.0887173270.

Adding to 343130431 its reverse (134031343), we get a palindrome (477161774).

The spelling of 343130431 in words is "three hundred forty-three million, one hundred thirty thousand, four hundred thirty-one".