331121220320223 has 32 divisors (see below), whose sum is σ = 490919134176000. Its totient is φ = 220581392699808.

The previous prime is 331121220320159. The next prime is 331121220320251. The reversal of 331121220320223 is 322023022121133.

331121220320223 is a `hidden beast` number, since 3 + 3 + 1 + 1 + 212 + 203 + 20 + 223 = 666.

It is not a de Polignac number, because 331121220320223 - 2⁶ = 331121220320159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121220320323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280750636 + ... + 281927582.

It is an arithmetic number, because the mean of its divisors is an integer number (15341222943000).

Almost surely, 2^{331121220320223} is an apocalyptic number.

331121220320223 is a deficient number, since it is larger than the sum of its proper divisors (159797913855777).

331121220320223 is a wasteful number, since it uses less digits than its factorization.

331121220320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184788 (or 1184782 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 331121220320223 its reverse (322023022121133), we get a palindrome (653144242441356).

The spelling of 331121220320223 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty million, three hundred twenty thousand, two hundred twenty-three".