131223311323132 has 24 divisors (see below), whose sum is σ = 262461891898080. Its totient is φ = 56235290013120.

The previous prime is 131223311323037. The next prime is 131223311323151. The reversal of 131223311323132 is 231323113322131.

It is a junction number, because it is equal to n+sod(n) for n = 131223311323094 and 131223311323103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135842719 + ... + 136805302.

It is an arithmetic number, because the mean of its divisors is an integer number (10935912162420).

Almost surely, 2^{131223311323132} is an apocalyptic number.

It is an amenable number.

131223311323132 is an abundant number, since it is smaller than the sum of its proper divisors (131238580574948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131223311323132 is a wasteful number, since it uses less digits than its factorization.

131223311323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272665221 (or 272665219 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

Adding to 131223311323132 its reverse (231323113322131), we get a palindrome (362546424645263).

The spelling of 131223311323132 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred eleven million, three hundred twenty-three thousand, one hundred thirty-two".