11311231023211 has 8 divisors (see below), whose sum is σ = 12927899903744. Its totient is φ = 9694756826280.

The previous prime is 11311231023179. The next prime is 11311231023221. The reversal of 11311231023211 is 11232013211311.

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 11311231023211 - 2⁵ = 11311231023179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311231023221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48546375 + ... + 48778816.

It is an arithmetic number, because the mean of its divisors is an integer number (1615987487968).

Almost surely, 2^{11311231023211} is an apocalyptic number.

11311231023211 is a deficient number, since it is larger than the sum of its proper divisors (1616668880533).

11311231023211 is an equidigital number, since it uses as much as digits as its factorization.

11311231023211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97341801.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11311231023211 its reverse (11232013211311), we get a palindrome (22543244234522).

The spelling of 11311231023211 in words is "eleven trillion, three hundred eleven billion, two hundred thirty-one million, twenty-three thousand, two hundred eleven".