331223121112311 has 24 divisors (see below), whose sum is σ = 478785134121216. Its totient is φ = 220653131304960.

The previous prime is 331223121112297. The next prime is 331223121112349. The reversal of 331223121112311 is 113211121322133.

331223121112311 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 2 + 312 + 111 + 231 + 1 = 666.

It is not a de Polignac number, because 331223121112311 - 2¹¹ = 331223121110263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331223121110311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66982311 + ... + 71757063.

It is an arithmetic number, because the mean of its divisors is an integer number (19949380588384).

Almost surely, 2^{331223121112311} is an apocalyptic number.

331223121112311 is a deficient number, since it is larger than the sum of its proper divisors (147562013008905).

331223121112311 is a wasteful number, since it uses less digits than its factorization.

331223121112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780423 (or 4780420 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 331223121112311 its reverse (113211121322133), we get a palindrome (444434242434444).

The spelling of 331223121112311 in words is "three hundred thirty-one trillion, two hundred twenty-three billion, one hundred twenty-one million, one hundred twelve thousand, three hundred eleven".