131000343144444 has 144 divisors (see below), whose sum is σ = 334780867133440. Its totient is φ = 43189482061440.

The previous prime is 131000343144409. The next prime is 131000343144467. The reversal of 131000343144444 is 444441343000131.

131000343144444 is a `hidden beast` number, since 1 + 31 + 0 + 0 + 0 + 3 + 43 + 144 + 444 = 666.

It is a super-2 number, since 2×131000343144444² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 131000343144399 and 131000343144408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1720052037 + ... + 1720128195.

Almost surely, 2^{131000343144444} is an apocalyptic number.

It is an amenable number.

131000343144444 is an abundant number, since it is smaller than the sum of its proper divisors (203780523988996).

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

131000343144444 is a wasteful number, since it uses less digits than its factorization.

131000343144444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77720 (or 77715 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 131000343144444 its reverse (444441343000131), we get a palindrome (575441686144575).

The spelling of 131000343144444 in words is "one hundred thirty-one trillion, three hundred forty-three million, one hundred forty-four thousand, four hundred forty-four".