311013012011 has 8 divisors (see below), whose sum is σ = 334942758864. Its totient is φ = 287084075040.

The previous prime is 311013011983. The next prime is 311013012019. The reversal of 311013012011 is 110210310113.

It is a happy number.

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 311013012011 - 2¹⁸ = 311012749867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311013012019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767120 + ... + 1100226.

It is an arithmetic number, because the mean of its divisors is an integer number (41867844858).

Almost surely, 2^311013012011 is an apocalyptic number.

311013012011 is a deficient number, since it is larger than the sum of its proper divisors (23929746853).

311013012011 is a wasteful number, since it uses less digits than its factorization.

311013012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404941.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 311013012011 its reverse (110210310113), we get a palindrome (421223322124).

The spelling of 311013012011 in words is "three hundred eleven billion, thirteen million, twelve thousand, eleven".