331001313 has 8 divisors (see below), whose sum is σ = 441446400. Its totient is φ = 220611888.

The previous prime is 331001287. The next prime is 331001317. The reversal of 331001313 is 313100133.

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

It is not a de Polignac number, because 331001313 - 2⁶ = 331001249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331001292 and 331001301.

It is not an unprimeable number, because it can be changed into a prime (331001317) 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 in 7 ways as a sum of consecutive naturals, for example, 2848 + ... + 25886.

It is an arithmetic number, because the mean of its divisors is an integer number (55180800).

Almost surely, 2^331001313 is an apocalyptic number.

It is an amenable number.

331001313 is a deficient number, since it is larger than the sum of its proper divisors (110445087).

331001313 is a wasteful number, since it uses less digits than its factorization.

331001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27831.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 331001313 is about 18193.4414831279. The cubic root of 331001313 is about 691.7405563165.

Adding to 331001313 its reverse (313100133), we get a palindrome (644101446).

The spelling of 331001313 in words is "three hundred thirty-one million, one thousand, three hundred thirteen".