10311311211 has 4 divisors (see below), whose sum is σ = 13748414952. Its totient is φ = 6874207472.

The previous prime is 10311311207. The next prime is 10311311237. The reversal of 10311311211 is 11211311301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11211311301 = 3 ⋅3737103767.

It is a cyclic number.

It is not a de Polignac number, because 10311311211 - 2² = 10311311207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10311311251) 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 3 ways as a sum of consecutive naturals, for example, 1718551866 + ... + 1718551871.

It is an arithmetic number, because the mean of its divisors is an integer number (3437103738).

Almost surely, 2^10311311211 is an apocalyptic number.

10311311211 is a deficient number, since it is larger than the sum of its proper divisors (3437103741).

10311311211 is an equidigital number, since it uses as much as digits as its factorization.

10311311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437103740.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 10311311211 its reverse (11211311301), we get a palindrome (21522622512).

The spelling of 10311311211 in words is "ten billion, three hundred eleven million, three hundred eleven thousand, two hundred eleven".