331310011321 has 8 divisors (see below), whose sum is σ = 348353094600. Its totient is φ = 314641501440.

The previous prime is 331310011313. The next prime is 331310011337. The reversal of 331310011321 is 123110013133.

It can be written as a sum of positive squares in 4 ways, for example, as 956355625 + 330353655696 = 30925^2 + 574764^2 .

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 331310011321 - 2³ = 331310011313 is a prime.

It is a super-2 number, since 2×331310011321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331310011301) 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, 93641536 + ... + 93645073.

It is an arithmetic number, because the mean of its divisors is an integer number (43544136825).

Almost surely, 2^331310011321 is an apocalyptic number.

It is an amenable number.

331310011321 is a deficient number, since it is larger than the sum of its proper divisors (17043083279).

331310011321 is a wasteful number, since it uses less digits than its factorization.

331310011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187286699.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 331310011321 its reverse (123110013133), we get a palindrome (454420024454).

The spelling of 331310011321 in words is "three hundred thirty-one billion, three hundred ten million, eleven thousand, three hundred twenty-one".