311212301013311 has 4 divisors (see below), whose sum is σ = 311213949982752. Its totient is φ = 311210652043872.

The previous prime is 311212301013277. The next prime is 311212301013391. The reversal of 311212301013311 is 113310103212113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311212301013311 - 2⁴⁶ = 240843556835647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311212301013391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824201591 + ... + 824579096.

It is an arithmetic number, because the mean of its divisors is an integer number (77803487495688).

Almost surely, 2^{311212301013311} is an apocalyptic number.

311212301013311 is a deficient number, since it is larger than the sum of its proper divisors (1648969441).

311212301013311 is a wasteful number, since it uses less digits than its factorization.

311212301013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648969440.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 311212301013311 its reverse (113310103212113), we get a palindrome (424522404225424).

The spelling of 311212301013311 in words is "three hundred eleven trillion, two hundred twelve billion, three hundred one million, thirteen thousand, three hundred eleven".