131344021442344 has 32 divisors (see below), whose sum is σ = 256993700253120. Its totient is φ = 62812729530496.

The previous prime is 131344021442327. The next prime is 131344021442419. The reversal of 131344021442344 is 443244120443131.

It is a super-2 number, since 2×131344021442344² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131344021442297 and 131344021442306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19677397 + ... + 25492900.

It is an arithmetic number, because the mean of its divisors is an integer number (8031053132910).

Almost surely, 2^{131344021442344} is an apocalyptic number.

It is an amenable number.

131344021442344 is a deficient number, since it is larger than the sum of its proper divisors (125649678810776).

131344021442344 is a wasteful number, since it uses less digits than its factorization.

131344021442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45186129 (or 45186125 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 131344021442344 its reverse (443244120443131), we get a palindrome (574588141885475).

The spelling of 131344021442344 in words is "one hundred thirty-one trillion, three hundred forty-four billion, twenty-one million, four hundred forty-two thousand, three hundred forty-four".