131223332211 has 32 divisors (see below), whose sum is σ = 185159520000. Its totient is φ = 82434774528.

The previous prime is 131223332209. The next prime is 131223332221. The reversal of 131223332211 is 112233322131.

It is not a de Polignac number, because 131223332211 - 2¹ = 131223332209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131223332221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13927060 + ... + 13936478.

It is an arithmetic number, because the mean of its divisors is an integer number (5786235000).

Almost surely, 2^131223332211 is an apocalyptic number.

131223332211 is a deficient number, since it is larger than the sum of its proper divisors (53936187789).

131223332211 is a wasteful number, since it uses less digits than its factorization.

131223332211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10723.

The product of its digits is 1296, while the sum is 24.

Adding to 131223332211 its reverse (112233322131), we get a palindrome (243456654342).

The spelling of 131223332211 in words is "one hundred thirty-one billion, two hundred twenty-three million, three hundred thirty-two thousand, two hundred eleven".