331320230120 has 96 divisors (see below), whose sum is σ = 820195173000. Its totient is φ = 120363386880.

The previous prime is 331320230119. The next prime is 331320230149. The reversal of 331320230120 is 21032023133.

It can be written as a sum of positive squares in 4 ways, for example, as 273213199204 + 58107030916 = 522698^2 + 241054^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 331320230092 and 331320230101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5044532 + ... + 5109788.

Almost surely, 2^331320230120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331320230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410097586500).

331320230120 is an abundant number, since it is smaller than the sum of its proper divisors (488874942880).

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

331320230120 is a wasteful number, since it uses less digits than its factorization.

331320230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66339 (or 66324 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 331320230120 its reverse (21032023133), we get a palindrome (352352253253).

The spelling of 331320230120 in words is "three hundred thirty-one billion, three hundred twenty million, two hundred thirty thousand, one hundred twenty".