331446313 has 4 divisors (see below), whose sum is σ = 361577808. Its totient is φ = 301314820.

The previous prime is 331446301. The next prime is 331446329. The reversal of 331446313 is 313644133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331446313 - 2⁵ = 331446281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331446343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15065731 + ... + 15065752.

It is an arithmetic number, because the mean of its divisors is an integer number (90394452).

Almost surely, 2^331446313 is an apocalyptic number.

It is an amenable number.

331446313 is a deficient number, since it is larger than the sum of its proper divisors (30131495).

331446313 is a wasteful number, since it uses less digits than its factorization.

331446313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30131494.

The product of its digits is 7776, while the sum is 28.

The square root of 331446313 is about 18205.6670572654. The cubic root of 331446313 is about 692.0504107807.

It can be divided in two parts, 331 and 446313, that added together give a palindrome (446644).

The spelling of 331446313 in words is "three hundred thirty-one million, four hundred forty-six thousand, three hundred thirteen".