331042320340041 has 4 divisors (see below), whose sum is σ = 441389760453392. Its totient is φ = 220694880226692.

The previous prime is 331042320340027. The next prime is 331042320340111. The reversal of 331042320340041 is 140043023240133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 331042320340041 - 2⁵ = 331042320340009 is a prime.

It is a super-2 number, since 2×331042320340041² (a number of 30 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 = 331042320339990 and 331042320340008.

It is not an unprimeable number, because it can be changed into a prime (331042320340541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55173720056671 + ... + 55173720056676.

It is an arithmetic number, because the mean of its divisors is an integer number (110347440113348).

Almost surely, 2^{331042320340041} is an apocalyptic number.

It is an amenable number.

331042320340041 is a deficient number, since it is larger than the sum of its proper divisors (110347440113351).

331042320340041 is a wasteful number, since it uses less digits than its factorization.

331042320340041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110347440113350.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 331042320340041 its reverse (140043023240133), we get a palindrome (471085343580174).

The spelling of 331042320340041 in words is "three hundred thirty-one trillion, forty-two billion, three hundred twenty million, three hundred forty thousand, forty-one".