131223333233111 has 12 divisors (see below), whose sum is σ = 152652595328640. Its totient is φ = 112473425826720.

The previous prime is 131223333233101. The next prime is 131223333233129. The reversal of 131223333233111 is 111332333322131.

It is not a de Polignac number, because 131223333233111 - 2¹⁰ = 131223333232087 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 (131223333233101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42750926 + ... + 45717483.

It is an arithmetic number, because the mean of its divisors is an integer number (12721049610720).

Almost surely, 2^{131223333233111} is an apocalyptic number.

131223333233111 is a deficient number, since it is larger than the sum of its proper divisors (21429262095529).

131223333233111 is an equidigital number, since it uses as much as digits as its factorization.

131223333233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88498694 (or 88498687 counting only the distinct ones).

The product of its digits is 17496, while the sum is 32.

Adding to 131223333233111 its reverse (111332333322131), we get a palindrome (242555666555242).

The spelling of 131223333233111 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred thirty-three million, two hundred thirty-three thousand, one hundred eleven".