1431424343 has 4 divisors (see below), whose sum is σ = 1493660208. Its totient is φ = 1369188480.

The previous prime is 1431424321. The next prime is 1431424367. The reversal of 1431424343 is 3434241341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1431424343 - 2¹⁸ = 1431162199 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 (1431424303) 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, 31117898 + ... + 31117943.

It is an arithmetic number, because the mean of its divisors is an integer number (373415052).

Almost surely, 2^1431424343 is an apocalyptic number.

1431424343 is a deficient number, since it is larger than the sum of its proper divisors (62235865).

1431424343 is an equidigital number, since it uses as much as digits as its factorization.

1431424343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62235864.

The product of its digits is 13824, while the sum is 29.

The square root of 1431424343 is about 37834.1689878343. The cubic root of 1431424343 is about 1126.9971026491.

Adding to 1431424343 its reverse (3434241341), we get a palindrome (4865665684).

The spelling of 1431424343 in words is "one billion, four hundred thirty-one million, four hundred twenty-four thousand, three hundred forty-three".