131440224311324 has 24 divisors (see below), whose sum is σ = 230192328709728. Its totient is φ = 65671002978560.

The previous prime is 131440224311323. The next prime is 131440224311329. The reversal of 131440224311324 is 423113422044131.

It is a super-2 number, since 2×131440224311324² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440224311323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32177969 + ... + 36031959.

It is an arithmetic number, because the mean of its divisors is an integer number (9591347029572).

Almost surely, 2^{131440224311324} is an apocalyptic number.

It is an amenable number.

131440224311324 is a deficient number, since it is larger than the sum of its proper divisors (98752104398404).

131440224311324 is a wasteful number, since it uses less digits than its factorization.

131440224311324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860365 (or 3860363 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 131440224311324 its reverse (423113422044131), we get a palindrome (554553646355455).

The spelling of 131440224311324 in words is "one hundred thirty-one trillion, four hundred forty billion, two hundred twenty-four million, three hundred eleven thousand, three hundred twenty-four".