331123313 has 8 divisors (see below), whose sum is σ = 337784832. Its totient is φ = 324512496.

The previous prime is 331123283. The next prime is 331123367. The reversal of 331123313 is 313321133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331123313 - 2¹⁴ = 331106929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331123613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656 + ... + 25742.

It is an arithmetic number, because the mean of its divisors is an integer number (42223104).

Almost surely, 2^331123313 is an apocalyptic number.

It is an amenable number.

331123313 is a deficient number, since it is larger than the sum of its proper divisors (6661519).

331123313 is a wasteful number, since it uses less digits than its factorization.

331123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25351.

The product of its digits is 486, while the sum is 20.

The square root of 331123313 is about 18196.7940308176. The cubic root of 331123313 is about 691.8255327987.

Adding to 331123313 its reverse (313321133), we get a palindrome (644444446).

The spelling of 331123313 in words is "three hundred thirty-one million, one hundred twenty-three thousand, three hundred thirteen".