131011230001223 has 32 divisors (see below), whose sum is σ = 154778803233600. Its totient is φ = 109322802662400.

The previous prime is 131011230001151. The next prime is 131011230001231. The reversal of 131011230001223 is 322100032110131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131011230001223 - 2¹⁰ = 131011230000199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131011230001195 and 131011230001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011230000223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313208243 + ... + 313626251.

It is an arithmetic number, because the mean of its divisors is an integer number (4836837601050).

Almost surely, 2^{131011230001223} is an apocalyptic number.

131011230001223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131011230001223 is a deficient number, since it is larger than the sum of its proper divisors (23767573232377).

131011230001223 is a wasteful number, since it uses less digits than its factorization.

131011230001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430323.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131011230001223 its reverse (322100032110131), we get a palindrome (453111262111354).

The spelling of 131011230001223 in words is "one hundred thirty-one trillion, eleven billion, two hundred thirty million, one thousand, two hundred twenty-three".