331201444441 has 4 divisors (see below), whose sum is σ = 378515936512. Its totient is φ = 283886952372.

The previous prime is 331201444397. The next prime is 331201444463. The reversal of 331201444441 is 144444102133.

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 a cyclic number.

It is not a de Polignac number, because 331201444441 - 2⁹ = 331201443929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331201444241) 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, 23657246025 + ... + 23657246038.

It is an arithmetic number, because the mean of its divisors is an integer number (94628984128).

Almost surely, 2^331201444441 is an apocalyptic number.

It is an amenable number.

331201444441 is a deficient number, since it is larger than the sum of its proper divisors (47314492071).

331201444441 is an equidigital number, since it uses as much as digits as its factorization.

331201444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47314492070.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 331201444441 its reverse (144444102133), we get a palindrome (475645546574).

The spelling of 331201444441 in words is "three hundred thirty-one billion, two hundred one million, four hundred forty-four thousand, four hundred forty-one".