131424334144 has 28 divisors (see below), whose sum is σ = 260866556244. Its totient is φ = 65694178304.

The previous prime is 131424334121. The next prime is 131424334177. The reversal of 131424334144 is 441433424131.

It can be written as a sum of positive squares in 2 ways, for example, as 96497209600 + 34927124544 = 310640^2 + 186888^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43909 + ... + 514564.

It is an arithmetic number, because the mean of its divisors is an integer number (9316662723).

Almost surely, 2^131424334144 is an apocalyptic number.

It is an amenable number.

131424334144 is a deficient number, since it is larger than the sum of its proper divisors (129442222100).

131424334144 is an equidigital number, since it uses as much as digits as its factorization.

131424334144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562162 (or 562152 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

Adding to 131424334144 its reverse (441433424131), we get a palindrome (572857758275).

The spelling of 131424334144 in words is "one hundred thirty-one billion, four hundred twenty-four million, three hundred thirty-four thousand, one hundred forty-four".