331001201 has 4 divisors (see below), whose sum is σ = 331791600. Its totient is φ = 330210804.

The previous prime is 331001197. The next prime is 331001207. The reversal of 331001201 is 102100133.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102100133 = 113 ⋅903541.

It is a cyclic number.

It is not a de Polignac number, because 331001201 - 2² = 331001197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331001207) 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 3 ways as a sum of consecutive naturals, for example, 394571 + ... + 395408.

It is an arithmetic number, because the mean of its divisors is an integer number (82947900).

Almost surely, 2^331001201 is an apocalyptic number.

It is an amenable number.

331001201 is a deficient number, since it is larger than the sum of its proper divisors (790399).

331001201 is an equidigital number, since it uses as much as digits as its factorization.

331001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790398.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 331001201 is about 18193.4384050954. The cubic root of 331001201 is about 691.7404782957.

Adding to 331001201 its reverse (102100133), we get a palindrome (433101334).

The spelling of 331001201 in words is "three hundred thirty-one million, one thousand, two hundred one".