331121020321219 has 16 divisors (see below), whose sum is σ = 339249999676896. Its totient is φ = 322994562969600.

The previous prime is 331121020321193. The next prime is 331121020321261. The reversal of 331121020321219 is 912123020121133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 331121020321219 - 2³³ = 331112430386627 is a prime.

It is a super-2 number, since 2×331121020321219² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331121020321319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11955108379 + ... + 11955136075.

It is an arithmetic number, because the mean of its divisors is an integer number (21203124979806).

Almost surely, 2^{331121020321219} is an apocalyptic number.

331121020321219 is a deficient number, since it is larger than the sum of its proper divisors (8128979355677).

331121020321219 is a wasteful number, since it uses less digits than its factorization.

331121020321219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62646.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 331121020321219 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, twenty million, three hundred twenty-one thousand, two hundred nineteen".