331244213423120 has 40 divisors (see below), whose sum is σ = 770150911204800. Its totient is φ = 132496289240960.

The previous prime is 331244213423117. The next prime is 331244213423129. The reversal of 331244213423120 is 21324312442133.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (331244213423129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14158070 + ... + 29375829.

It is an arithmetic number, because the mean of its divisors is an integer number (19253772780120).

Almost surely, 2^{331244213423120} is an apocalyptic number.

It is an amenable number.

331244213423120 is an abundant number, since it is smaller than the sum of its proper divisors (438906697781680).

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

331244213423120 is a wasteful number, since it uses less digits than its factorization.

331244213423120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43629023 (or 43629017 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 331244213423120 its reverse (21324312442133), we get a palindrome (352568525865253).

The spelling of 331244213423120 in words is "three hundred thirty-one trillion, two hundred forty-four billion, two hundred thirteen million, four hundred twenty-three thousand, one hundred twenty".