43131062745 has 12 divisors (see below), whose sum is σ = 74760508836. Its totient is φ = 23003233440.

The previous prime is 43131062677. The next prime is 43131062771. The reversal of 43131062745 is 54726013134.

43131062745 is a `hidden beast` number, since 4 + 3 + 13 + 10 + 627 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33934060944 + 9197001801 = 184212^2 + 95901^2 .

It is not a de Polignac number, because 43131062745 - 2¹⁷ = 43130931673 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479233986 + ... + 479234075.

It is an arithmetic number, because the mean of its divisors is an integer number (6230042403).

Almost surely, 2^43131062745 is an apocalyptic number.

43131062745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43131062745 is a deficient number, since it is larger than the sum of its proper divisors (31629446091).

43131062745 is a wasteful number, since it uses less digits than its factorization.

43131062745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958468072 (or 958468069 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 43131062745 its reverse (54726013134), we get a palindrome (97857075879).

The spelling of 43131062745 in words is "forty-three billion, one hundred thirty-one million, sixty-two thousand, seven hundred forty-five".