331324201 has 4 divisors (see below), whose sum is σ = 356810692. Its totient is φ = 305837712.

The previous prime is 331324193. The next prime is 331324207. The reversal of 331324201 is 102423133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102423133 = 479 ⋅213827.

It can be written as a sum of positive squares in 2 ways, for example, as 61214976 + 270109225 = 7824^2 + 16435^2 .

It is a cyclic number.

It is not a de Polignac number, because 331324201 - 2³ = 331324193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331324207) 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, 12743226 + ... + 12743251.

It is an arithmetic number, because the mean of its divisors is an integer number (89202673).

Almost surely, 2^331324201 is an apocalyptic number.

It is an amenable number.

331324201 is a deficient number, since it is larger than the sum of its proper divisors (25486491).

331324201 is a wasteful number, since it uses less digits than its factorization.

331324201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25486490.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 331324201 is about 18202.3130673000. The cubic root of 331324201 is about 691.9654115548.

Adding to 331324201 its reverse (102423133), we get a palindrome (433747334).

The spelling of 331324201 in words is "three hundred thirty-one million, three hundred twenty-four thousand, two hundred one".