311320411 has 8 divisors (see below), whose sum is σ = 313491024. Its totient is φ = 309157920.

The previous prime is 311320381. The next prime is 311320417. The reversal of 311320411 is 114023113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311320411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311320417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88221 + ... + 91681.

It is an arithmetic number, because the mean of its divisors is an integer number (39186378).

Almost surely, 2^311320411 is an apocalyptic number.

311320411 is a deficient number, since it is larger than the sum of its proper divisors (2170613).

311320411 is a wasteful number, since it uses less digits than its factorization.

311320411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061.

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

The square root of 311320411 is about 17644.2741703931. The cubic root of 311320411 is about 677.7494883223.

Adding to 311320411 its reverse (114023113), we get a palindrome (425343524).

The spelling of 311320411 in words is "three hundred eleven million, three hundred twenty thousand, four hundred eleven".