12231303131011 has 4 divisors (see below), whose sum is σ = 12875055927400. Its totient is φ = 11587550334624.

The previous prime is 12231303130987. The next prime is 12231303131101. The reversal of 12231303131011 is 11013130313221.

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 12231303131011 - 2⁹ = 12231303130499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231303131111) 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, 321876398166 + ... + 321876398203.

It is an arithmetic number, because the mean of its divisors is an integer number (3218763981850).

Almost surely, 2^{12231303131011} is an apocalyptic number.

12231303131011 is a deficient number, since it is larger than the sum of its proper divisors (643752796389).

12231303131011 is an equidigital number, since it uses as much as digits as its factorization.

12231303131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643752796388.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12231303131011 its reverse (11013130313221), we get a palindrome (23244433444232).

The spelling of 12231303131011 in words is "twelve trillion, two hundred thirty-one billion, three hundred three million, one hundred thirty-one thousand, eleven".