42331314331 has 4 divisors (see below), whose sum is σ = 42334822872. Its totient is φ = 42327805792.

The previous prime is 42331314317. The next prime is 42331314359. The reversal of 42331314331 is 13341313324.

42331314331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42331314331 is a prime.

It is a super-2 number, since 2×42331314331² (a number of 22 digits) contains 22 as substring.

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 42331314331.

It is not an unprimeable number, because it can be changed into a prime (42331314301) 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, 1736110 + ... + 1760323.

It is an arithmetic number, because the mean of its divisors is an integer number (10583705718).

Almost surely, 2^42331314331 is an apocalyptic number.

42331314331 is a deficient number, since it is larger than the sum of its proper divisors (3508541).

42331314331 is a wasteful number, since it uses less digits than its factorization.

42331314331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508540.

The product of its digits is 7776, while the sum is 28.

Adding to 42331314331 its reverse (13341313324), we get a palindrome (55672627655).

The spelling of 42331314331 in words is "forty-two billion, three hundred thirty-one million, three hundred fourteen thousand, three hundred thirty-one".