431342143 has 8 divisors (see below), whose sum is σ = 454636800. Its totient is φ = 408608928.

The previous prime is 431342137. The next prime is 431342147. The reversal of 431342143 is 341243134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431342143 - 2¹⁷ = 431211071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431342147) 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 7 ways as a sum of consecutive naturals, for example, 138783 + ... + 141856.

It is an arithmetic number, because the mean of its divisors is an integer number (56829600).

Almost surely, 2^431342143 is an apocalyptic number.

431342143 is a deficient number, since it is larger than the sum of its proper divisors (23294657).

431342143 is a wasteful number, since it uses less digits than its factorization.

431342143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280721.

The product of its digits is 3456, while the sum is 25.

The square root of 431342143 is about 20768.7780815338. The cubic root of 431342143 is about 755.5687091192.

Adding to 431342143 its reverse (341243134), we get a palindrome (772585277).

Subtracting from 431342143 its reverse (341243134), we obtain a palindrome (90099009).

The spelling of 431342143 in words is "four hundred thirty-one million, three hundred forty-two thousand, one hundred forty-three".