311122003321 has 8 divisors (see below), whose sum is σ = 329543181000. Its totient is φ = 292714146048.

The previous prime is 311122003319. The next prime is 311122003333. The reversal of 311122003321 is 123300221113.

It can be written as a sum of positive squares in 4 ways, for example, as 11405172025 + 299716831296 = 106795^2 + 547464^2 .

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 311122003321 - 2¹ = 311122003319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311122003121) 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, 3281986 + ... + 3375451.

It is an arithmetic number, because the mean of its divisors is an integer number (41192897625).

Almost surely, 2^311122003321 is an apocalyptic number.

It is an amenable number.

311122003321 is a deficient number, since it is larger than the sum of its proper divisors (18421177679).

311122003321 is a wasteful number, since it uses less digits than its factorization.

311122003321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6660203.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 311122003321 its reverse (123300221113), we get a palindrome (434422224434).

The spelling of 311122003321 in words is "three hundred eleven billion, one hundred twenty-two million, three thousand, three hundred twenty-one".