331424221422241 has 4 divisors (see below), whose sum is σ = 331427936488212. Its totient is φ = 331420506356272.

The previous prime is 331424221422211. The next prime is 331424221422289. The reversal of 331424221422241 is 142224122424133.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 158848313078016 + 172575908344225 = 12603504^2 + 13136815^2 .

It is a cyclic number.

It is not a de Polignac number, because 331424221422241 - 2⁵ = 331424221422209 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 331424221422241.

It is not an unprimeable number, because it can be changed into a prime (331424221422211) 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, 1857399166 + ... + 1857577591.

It is an arithmetic number, because the mean of its divisors is an integer number (82856984122053).

Almost surely, 2^{331424221422241} is an apocalyptic number.

It is an amenable number.

331424221422241 is a deficient number, since it is larger than the sum of its proper divisors (3715065971).

331424221422241 is an equidigital number, since it uses as much as digits as its factorization.

331424221422241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715065970.

The product of its digits is 147456, while the sum is 37.

Adding to 331424221422241 its reverse (142224122424133), we get a palindrome (473648343846374).

The spelling of 331424221422241 in words is "three hundred thirty-one trillion, four hundred twenty-four billion, two hundred twenty-one million, four hundred twenty-two thousand, two hundred forty-one".