331221122323 has 16 divisors (see below), whose sum is σ = 420806987776. Its totient is φ = 253611349920.

The previous prime is 331221122159. The next prime is 331221122333. The reversal of 331221122323 is 323221122133.

It is a cyclic number.

It is not a de Polignac number, because 331221122323 - 2²⁵ = 331187567891 is a prime.

It is a super-3 number, since 3×331221122323³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (331221122333) 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, 58703511 + ... + 58709152.

It is an arithmetic number, because the mean of its divisors is an integer number (26300436736).

Almost surely, 2^331221122323 is an apocalyptic number.

331221122323 is a deficient number, since it is larger than the sum of its proper divisors (89585865453).

331221122323 is a wasteful number, since it uses less digits than its factorization.

331221122323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117412714.

The product of its digits is 2592, while the sum is 25.

Adding to 331221122323 its reverse (323221122133), we get a palindrome (654442244456).

The spelling of 331221122323 in words is "three hundred thirty-one billion, two hundred twenty-one million, one hundred twenty-two thousand, three hundred twenty-three".