343042431 has 4 divisors (see below), whose sum is σ = 457389912. Its totient is φ = 228694952.

The previous prime is 343042417. The next prime is 343042451. The reversal of 343042431 is 134240343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134240343 = 3 ⋅44746781.

It is a cyclic number.

It is not a de Polignac number, because 343042431 - 2¹⁸ = 342780287 is a prime.

It is a super-2 number, since 2×343042431² = 235356218932779522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343042451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57173736 + ... + 57173741.

It is an arithmetic number, because the mean of its divisors is an integer number (114347478).

Almost surely, 2^343042431 is an apocalyptic number.

343042431 is a deficient number, since it is larger than the sum of its proper divisors (114347481).

343042431 is a wasteful number, since it uses less digits than its factorization.

343042431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114347480.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 343042431 is about 18521.4046713525. The cubic root of 343042431 is about 700.0288634357.

Adding to 343042431 its reverse (134240343), we get a palindrome (477282774).

The spelling of 343042431 in words is "three hundred forty-three million, forty-two thousand, four hundred thirty-one".