331305201 has 8 divisors (see below), whose sum is σ = 490822560. Its totient is φ = 220870116.

The previous prime is 331305199. The next prime is 331305203. The reversal of 331305201 is 102503133.

It is an interprime number because it is at equal distance from previous prime (331305199) and next prime (331305203).

It is not a de Polignac number, because 331305201 - 2¹ = 331305199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331305203) 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, 6135255 + ... + 6135308.

It is an arithmetic number, because the mean of its divisors is an integer number (61352820).

Almost surely, 2^331305201 is an apocalyptic number.

It is an amenable number.

331305201 is a deficient number, since it is larger than the sum of its proper divisors (159517359).

331305201 is a wasteful number, since it uses less digits than its factorization.

331305201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12270572 (or 12270566 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 331305201 is about 18201.7911481261. The cubic root of 331305201 is about 691.9521842344.

Adding to 331305201 its reverse (102503133), we get a palindrome (433808334).

The spelling of 331305201 in words is "three hundred thirty-one million, three hundred five thousand, two hundred one".