331330221323 has 16 divisors (see below), whose sum is σ = 353520599040. Its totient is φ = 309442129536.

The previous prime is 331330221301. The next prime is 331330221337. The reversal of 331330221323 is 323122033133.

It is a happy number.

It is not a de Polignac number, because 331330221323 - 2⁶ = 331330221259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331330221292 and 331330221301.

It is not an unprimeable number, because it can be changed into a prime (331330221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4840886 + ... + 4908852.

It is an arithmetic number, because the mean of its divisors is an integer number (22095037440).

Almost surely, 2^331330221323 is an apocalyptic number.

331330221323 is a deficient number, since it is larger than the sum of its proper divisors (22190377717).

331330221323 is a wasteful number, since it uses less digits than its factorization.

331330221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70186.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 331330221323 its reverse (323122033133), we get a palindrome (654452254456).

The spelling of 331330221323 in words is "three hundred thirty-one billion, three hundred thirty million, two hundred twenty-one thousand, three hundred twenty-three".