311322000121 has 32 divisors (see below), whose sum is σ = 350399250432. Its totient is φ = 274168508160.

The previous prime is 311322000091. The next prime is 311322000133. The reversal of 311322000121 is 121000223113.

It is a cyclic number.

It is not a de Polignac number, because 311322000121 - 2¹¹ = 311321998073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311322000095 and 311322000104.

It is not an unprimeable number, because it can be changed into a prime (311322000191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98300280 + ... + 98303446.

It is an arithmetic number, because the mean of its divisors is an integer number (10949976576).

Almost surely, 2^311322000121 is an apocalyptic number.

It is an amenable number.

311322000121 is a deficient number, since it is larger than the sum of its proper divisors (39077250311).

311322000121 is a wasteful number, since it uses less digits than its factorization.

311322000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 311322000121 its reverse (121000223113), we get a palindrome (432322223234).

The spelling of 311322000121 in words is "three hundred eleven billion, three hundred twenty-two million, one hundred twenty-one", and thus it is an aban number.