131223320011 has 10 divisors (see below), whose sum is σ = 153084767212. Its totient is φ = 112477129380.

The previous prime is 131223319993. The next prime is 131223320143. The reversal of 131223320011 is 110023322131.

It is not a de Polignac number, because 131223320011 - 2⁵ = 131223319979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131223020011) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27324405 + ... + 27329206.

Almost surely, 2^131223320011 is an apocalyptic number.

131223320011 is a deficient number, since it is larger than the sum of its proper divisors (21861447201).

131223320011 is an frugal number, since it uses more digits than its factorization.

131223320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54653639 (or 54653618 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131223320011 its reverse (110023322131), we get a palindrome (241246642142).

The spelling of 131223320011 in words is "one hundred thirty-one billion, two hundred twenty-three million, three hundred twenty thousand, eleven".