42342331331 has 4 divisors (see below), whose sum is σ = 42354073872. Its totient is φ = 42330588792.

The previous prime is 42342331327. The next prime is 42342331333. The reversal of 42342331331 is 13313324324.

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 42342331331 - 2² = 42342331327 is a prime.

It is a super-2 number, since 2×42342331331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42342331294 and 42342331303.

It is not an unprimeable number, because it can be changed into a prime (42342331333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5865860 + ... + 5873073.

It is an arithmetic number, because the mean of its divisors is an integer number (10588518468).

Almost surely, 2^42342331331 is an apocalyptic number.

42342331331 is a deficient number, since it is larger than the sum of its proper divisors (11742541).

42342331331 is a wasteful number, since it uses less digits than its factorization.

42342331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742540.

The product of its digits is 15552, while the sum is 29.

Adding to 42342331331 its reverse (13313324324), we get a palindrome (55655655655).

The spelling of 42342331331 in words is "forty-two billion, three hundred forty-two million, three hundred thirty-one thousand, three hundred thirty-one".