331121330221230 has 48 divisors (see below), whose sum is σ = 863665987270320. Its totient is φ = 88016915885184.

The previous prime is 331121330221163. The next prime is 331121330221271. The reversal of 331121330221230 is 32122033121133.

331121330221230 is a `hidden beast` number, since 3 + 3 + 1 + 121 + 3 + 302 + 2 + 1 + 230 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 331121330221194 and 331121330221203.

It is a congruent number.

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, 5877169740 + ... + 5877226079.

It is an arithmetic number, because the mean of its divisors is an integer number (17993041401465).

Almost surely, 2^{331121330221230} is an apocalyptic number.

331121330221230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331121330221230 is an abundant number, since it is smaller than the sum of its proper divisors (532544657049090).

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

331121330221230 is a wasteful number, since it uses less digits than its factorization.

331121330221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754396145 (or 11754396142 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 331121330221230 its reverse (32122033121133), we get a palindrome (363243363342363).

The spelling of 331121330221230 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, three hundred thirty million, two hundred twenty-one thousand, two hundred thirty".