131434233505443 has 48 divisors (see below), whose sum is σ = 219656045756160. Its totient is φ = 74944680465600.

The previous prime is 131434233505411. The next prime is 131434233505469. The reversal of 131434233505443 is 344505332434131.

131434233505443 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 34 + 23 + 3 + 50 + 544 + 3 = 666.

It is not a de Polignac number, because 131434233505443 - 2⁵ = 131434233505411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131434233505493) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 472996713 + ... + 473274506.

It is an arithmetic number, because the mean of its divisors is an integer number (4576167619920).

Almost surely, 2^{131434233505443} is an apocalyptic number.

131434233505443 is a deficient number, since it is larger than the sum of its proper divisors (88221812250717).

131434233505443 is a wasteful number, since it uses less digits than its factorization.

131434233505443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946271320 (or 946271317 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 45.

Adding to 131434233505443 its reverse (344505332434131), we get a palindrome (475939565939574).

The spelling of 131434233505443 in words is "one hundred thirty-one trillion, four hundred thirty-four billion, two hundred thirty-three million, five hundred five thousand, four hundred forty-three".