331004013 has 8 divisors (see below), whose sum is σ = 441667008. Its totient is φ = 220505184.

The previous prime is 331003969. The next prime is 331004039. The reversal of 331004013 is 310400133.

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

It is not a de Polignac number, because 331004013 - 2¹⁰ = 331002989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331003983 and 331004001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331004413) 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, 36256 + ... + 44457.

It is an arithmetic number, because the mean of its divisors is an integer number (55208376).

Almost surely, 2^331004013 is an apocalyptic number.

It is an amenable number.

331004013 is a deficient number, since it is larger than the sum of its proper divisors (110662995).

331004013 is a wasteful number, since it uses less digits than its factorization.

331004013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82083.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 331004013 is about 18193.5156855403. The cubic root of 331004013 is about 691.7424371694.

Adding to 331004013 its reverse (310400133), we get a palindrome (641404146).

The spelling of 331004013 in words is "three hundred thirty-one million, four thousand, thirteen".