331313231201 has 4 divisors (see below), whose sum is σ = 332760014100. Its totient is φ = 329866448304.

The previous prime is 331313231167. The next prime is 331313231213. The reversal of 331313231201 is 102132313133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 313850930176 + 17462301025 = 560224^2 + 132145^2 .

It is a cyclic number.

It is not a de Polignac number, because 331313231201 - 2¹⁰ = 331313230177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331313231801) 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, 723391106 + ... + 723391563.

It is an arithmetic number, because the mean of its divisors is an integer number (83190003525).

Almost surely, 2^331313231201 is an apocalyptic number.

It is an amenable number.

331313231201 is a deficient number, since it is larger than the sum of its proper divisors (1446782899).

331313231201 is a wasteful number, since it uses less digits than its factorization.

331313231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446782898.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 331313231201 its reverse (102132313133), we get a palindrome (433445544334).

The spelling of 331313231201 in words is "three hundred thirty-one billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred one".