42431420343 has 8 divisors (see below), whose sum is σ = 60927167728. Its totient is φ = 26111643264.

The previous prime is 42431420341. The next prime is 42431420377. The reversal of 42431420343 is 34302413424.

It is a happy number.

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

It is not a de Polignac number, because 42431420343 - 2¹ = 42431420341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42431420343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431420341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543992530 + ... + 543992607.

It is an arithmetic number, because the mean of its divisors is an integer number (7615895966).

Almost surely, 2^42431420343 is an apocalyptic number.

42431420343 is a deficient number, since it is larger than the sum of its proper divisors (18495747385).

42431420343 is a wasteful number, since it uses less digits than its factorization.

42431420343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087985153.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 42431420343 its reverse (34302413424), we get a palindrome (76733833767).

The spelling of 42431420343 in words is "forty-two billion, four hundred thirty-one million, four hundred twenty thousand, three hundred forty-three".