331130220140444 has 6 divisors (see below), whose sum is σ = 579477885245784. Its totient is φ = 165565110070220.

The previous prime is 331130220140407. The next prime is 331130220140453. The reversal of 331130220140444 is 444041022031133.

It is a self number, because there is not a number n which added to its sum of digits gives 331130220140444.

It is a congruent number.

It is an unprimeable number.

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, 41391277517552 + ... + 41391277517559.

It is an arithmetic number, because the mean of its divisors is an integer number (96579647540964).

Almost surely, 2^{331130220140444} is an apocalyptic number.

It is an amenable number.

331130220140444 is a deficient number, since it is larger than the sum of its proper divisors (248347665105340).

331130220140444 is a wasteful number, since it uses less digits than its factorization.

331130220140444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82782555035115 (or 82782555035113 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 331130220140444 its reverse (444041022031133), we get a palindrome (775171242171577).

The spelling of 331130220140444 in words is "three hundred thirty-one trillion, one hundred thirty billion, two hundred twenty million, one hundred forty thousand, four hundred forty-four".