331314331 has 4 divisors (see below), whose sum is σ = 331787664. Its totient is φ = 330841000.

The previous prime is 331314307. The next prime is 331314341. The reversal of 331314331 is 133413133.

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 331314331 - 2¹⁵ = 331281563 is a prime.

It is a super-2 number, since 2×331314331² = 219538371851955122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331314341) 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 3 ways as a sum of consecutive naturals, for example, 235615 + ... + 237016.

It is an arithmetic number, because the mean of its divisors is an integer number (82946916).

Almost surely, 2^331314331 is an apocalyptic number.

331314331 is a deficient number, since it is larger than the sum of its proper divisors (473333).

331314331 is an equidigital number, since it uses as much as digits as its factorization.

331314331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473332.

The product of its digits is 972, while the sum is 22.

The square root of 331314331 is about 18202.0419458917. The cubic root of 331314331 is about 691.9585403731.

Adding to 331314331 its reverse (133413133), we get a palindrome (464727464).

The spelling of 331314331 in words is "three hundred thirty-one million, three hundred fourteen thousand, three hundred thirty-one".