331212222323 has 4 divisors (see below), whose sum is σ = 331423052808. Its totient is φ = 331001391840.

The previous prime is 331212222311. The next prime is 331212222337. The reversal of 331212222323 is 323222212133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331212222323 - 2⁴ = 331212222307 is a prime.

It is a super-2 number, since 2×331212222323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331212222292 and 331212222301.

It is not an unprimeable number, because it can be changed into a prime (331212222823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105412886 + ... + 105416027.

It is an arithmetic number, because the mean of its divisors is an integer number (82855763202).

Almost surely, 2^331212222323 is an apocalyptic number.

331212222323 is a deficient number, since it is larger than the sum of its proper divisors (210830485).

331212222323 is a wasteful number, since it uses less digits than its factorization.

331212222323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210830484.

The product of its digits is 5184, while the sum is 26.

Adding to 331212222323 its reverse (323222212133), we get a palindrome (654434434456).

The spelling of 331212222323 in words is "three hundred thirty-one billion, two hundred twelve million, two hundred twenty-two thousand, three hundred twenty-three".