331112323 has 2 divisors, whose sum is σ = 331112324. Its totient is φ = 331112322.

The previous prime is 331112311. The next prime is 331112357. The reversal of 331112323 is 323211133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331112323 - 2⁵ = 331112291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331112323.

It is not a weakly prime, because it can be changed into another prime (331112303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165556161 + 165556162.

It is an arithmetic number, because the mean of its divisors is an integer number (165556162).

Almost surely, 2^331112323 is an apocalyptic number.

331112323 is a deficient number, since it is larger than the sum of its proper divisors (1).

331112323 is an equidigital number, since it uses as much as digits as its factorization.

331112323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 19.

The square root of 331112323 is about 18196.4920520412. The cubic root of 331112323 is about 691.8178788055.

Adding to 331112323 its reverse (323211133), we get a palindrome (654323456).

The spelling of 331112323 in words is "three hundred thirty-one million, one hundred twelve thousand, three hundred twenty-three".