131433543441 has 6 divisors (see below), whose sum is σ = 189848451650. Its totient is φ = 87622362288.

The previous prime is 131433543431. The next prime is 131433543467. The reversal of 131433543441 is 144345334131.

131433543441 is a `hidden beast` number, since 1 + 3 + 143 + 35 + 43 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 117200099025 + 14233444416 = 342345^2 + 119304^2 .

It is not a de Polignac number, because 131433543441 - 2¹⁹ = 131433019153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131433543396 and 131433543405.

It is not an unprimeable number, because it can be changed into a prime (131433543431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7301863516 + ... + 7301863533.

Almost surely, 2^131433543441 is an apocalyptic number.

It is an amenable number.

131433543441 is a deficient number, since it is larger than the sum of its proper divisors (58414908209).

131433543441 is a wasteful number, since it uses less digits than its factorization.

131433543441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603727055 (or 14603727052 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 131433543441 its reverse (144345334131), we get a palindrome (275778877572).

The spelling of 131433543441 in words is "one hundred thirty-one billion, four hundred thirty-three million, five hundred forty-three thousand, four hundred forty-one".