331000201 has 4 divisors (see below), whose sum is σ = 378285952. Its totient is φ = 283714452.

The previous prime is 331000193. The next prime is 331000231. The reversal of 331000201 is 102000133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 331000201 - 2³ = 331000193 is a prime.

It is a super-2 number, since 2×331000201² = 219122266124080802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331000231) 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, 23642865 + ... + 23642878.

It is an arithmetic number, because the mean of its divisors is an integer number (94571488).

Almost surely, 2^331000201 is an apocalyptic number.

It is an amenable number.

331000201 is a deficient number, since it is larger than the sum of its proper divisors (47285751).

331000201 is an equidigital number, since it uses as much as digits as its factorization.

331000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47285750.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 331000201 is about 18193.4109226390. The cubic root of 331000201 is about 691.7397816807.

Adding to 331000201 its reverse (102000133), we get a palindrome (433000334).

The spelling of 331000201 in words is "three hundred thirty-one million, two hundred one", and thus it is an aban number.