311230011 has 8 divisors (see below), whose sum is σ = 415143760. Its totient is φ = 207401472.

The previous prime is 311230009. The next prime is 311230021. The reversal of 311230011 is 110032113.

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

It is not a de Polignac number, because 311230011 - 2¹ = 311230009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311230021) 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, 12226 + ... + 27783.

It is an arithmetic number, because the mean of its divisors is an integer number (51892970).

Almost surely, 2^311230011 is an apocalyptic number.

311230011 is a deficient number, since it is larger than the sum of its proper divisors (103913749).

311230011 is a wasteful number, since it uses less digits than its factorization.

311230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42605.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 311230011 is about 17641.7122468314. The cubic root of 311230011 is about 677.6838812255.

Adding to 311230011 its reverse (110032113), we get a palindrome (421262124).

The spelling of 311230011 in words is "three hundred eleven million, two hundred thirty thousand, eleven".