331420224144 has 40 divisors (see below), whose sum is σ = 856975989312. Its totient is φ = 110369269120.

The previous prime is 331420224143. The next prime is 331420224203. The reversal of 331420224144 is 441422024133.

It is not an unprimeable number, because it can be changed into a prime (331420224143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202884 + ... + 3304739.

Almost surely, 2^331420224144 is an apocalyptic number.

It is an amenable number.

331420224144 is an abundant number, since it is smaller than the sum of its proper divisors (525555765168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331420224144 is a wasteful number, since it uses less digits than its factorization.

331420224144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508695 (or 6508689 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 331420224144 its reverse (441422024133), we get a palindrome (772842248277).

The spelling of 331420224144 in words is "three hundred thirty-one billion, four hundred twenty million, two hundred twenty-four thousand, one hundred forty-four".