311440030311321 has 24 divisors (see below), whose sum is σ = 456580344804480. Its totient is φ = 204524095523616.

The previous prime is 311440030311299. The next prime is 311440030311341. The reversal of 311440030311321 is 123113030044113.

311440030311321 is a `hidden beast` number, since 3 + 114 + 400 + 30 + 3 + 113 + 2 + 1 = 666.

It is not a de Polignac number, because 311440030311321 - 2⁶ = 311440030311257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311440030311341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29039296 + ... + 38290478.

It is an arithmetic number, because the mean of its divisors is an integer number (19024181033520).

Almost surely, 2^{311440030311321} is an apocalyptic number.

It is an amenable number.

311440030311321 is a deficient number, since it is larger than the sum of its proper divisors (145140314493159).

311440030311321 is a wasteful number, since it uses less digits than its factorization.

311440030311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9307085 (or 9307082 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 311440030311321 its reverse (123113030044113), we get a palindrome (434553060355434).

The spelling of 311440030311321 in words is "three hundred eleven trillion, four hundred forty billion, thirty million, three hundred eleven thousand, three hundred twenty-one".