331313002321 has 8 divisors (see below), whose sum is σ = 378933145920. Its totient is φ = 283765287408.

The previous prime is 331313002309. The next prime is 331313002327. The reversal of 331313002321 is 123200313133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331313002321 - 2¹⁷ = 331312871249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331313002292 and 331313002301.

It is not an unprimeable number, because it can be changed into a prime (331313002327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18097366 + ... + 18115663.

It is an arithmetic number, because the mean of its divisors is an integer number (47366643240).

Almost surely, 2^331313002321 is an apocalyptic number.

It is an amenable number.

331313002321 is a deficient number, since it is larger than the sum of its proper divisors (47620143599).

331313002321 is a wasteful number, since it uses less digits than its factorization.

331313002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36214343.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 331313002321 its reverse (123200313133), we get a palindrome (454513315454).

The spelling of 331313002321 in words is "three hundred thirty-one billion, three hundred thirteen million, two thousand, three hundred twenty-one".