331301020 has 12 divisors (see below), whose sum is σ = 695732184. Its totient is φ = 132520400.

The previous prime is 331300961. The next prime is 331301021. The reversal of 331301020 is 20103133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331301021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8282506 + ... + 8282545.

It is an arithmetic number, because the mean of its divisors is an integer number (57977682).

Almost surely, 2^331301020 is an apocalyptic number.

It is an amenable number.

331301020 is an abundant number, since it is smaller than the sum of its proper divisors (364431164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331301020 is a wasteful number, since it uses less digits than its factorization.

331301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16565060 (or 16565058 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 331301020 is about 18201.6762964294. The cubic root of 331301020 is about 691.9492734598.

Adding to 331301020 its reverse (20103133), we get a palindrome (351404153).

The spelling of 331301020 in words is "three hundred thirty-one million, three hundred one thousand, twenty".