42431311342 has 8 divisors (see below), whose sum is σ = 72739390896. Its totient is φ = 18184847712.

The previous prime is 42431311331. The next prime is 42431311361. The reversal of 42431311342 is 24311313424.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42431311342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515403963 + ... + 1515403990.

It is an arithmetic number, because the mean of its divisors is an integer number (9092423862).

Almost surely, 2^42431311342 is an apocalyptic number.

42431311342 is a deficient number, since it is larger than the sum of its proper divisors (30308079554).

42431311342 is a wasteful number, since it uses less digits than its factorization.

42431311342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030807962.

The product of its digits is 6912, while the sum is 28.

Adding to 42431311342 its reverse (24311313424), we get a palindrome (66742624766).

The spelling of 42431311342 in words is "forty-two billion, four hundred thirty-one million, three hundred eleven thousand, three hundred forty-two".