331420104221144 has 8 divisors (see below), whose sum is σ = 621412695414660. Its totient is φ = 165710052110568.

The previous prime is 331420104221123. The next prime is 331420104221147. The reversal of 331420104221144 is 441122401024133.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 331420104221144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331420104221147) 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 as a sum of consecutive naturals, namely, 20713756513814 + ... + 20713756513829.

Almost surely, 2^{331420104221144} is an apocalyptic number.

It is an amenable number.

331420104221144 is a deficient number, since it is larger than the sum of its proper divisors (289992591193516).

331420104221144 is a wasteful number, since it uses less digits than its factorization.

331420104221144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41427513027649 (or 41427513027645 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 331420104221144 its reverse (441122401024133), we get a palindrome (772542505245277).

The spelling of 331420104221144 in words is "three hundred thirty-one trillion, four hundred twenty billion, one hundred four million, two hundred twenty-one thousand, one hundred forty-four".