331003013 has 8 divisors (see below), whose sum is σ = 373546080. Its totient is φ = 290535280.

The previous prime is 331003007. The next prime is 331003033. The reversal of 331003013 is 310300133.

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 331003013 - 2¹⁸ = 330740869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331003033) 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, 518495 + ... + 519132.

It is an arithmetic number, because the mean of its divisors is an integer number (46693260).

Almost surely, 2^331003013 is an apocalyptic number.

It is an amenable number.

331003013 is a deficient number, since it is larger than the sum of its proper divisors (42543067).

331003013 is a wasteful number, since it uses less digits than its factorization.

331003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037667.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 331003013 is about 18193.4882032006. The cubic root of 331003013 is about 691.7417405584.

Adding to 331003013 its reverse (310300133), we get a palindrome (641303146).

The spelling of 331003013 in words is "three hundred thirty-one million, three thousand, thirteen".