43531214205131 has 2 divisors, whose sum is σ = 43531214205132. Its totient is φ = 43531214205130.

The previous prime is 43531214205053. The next prime is 43531214205137. The reversal of 43531214205131 is 13150241213534.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43531214205131 - 2¹⁴ = 43531214188747 is a prime.

It is a super-2 number, since 2×43531214205131² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 43531214205091 and 43531214205100.

It is not a weakly prime, because it can be changed into another prime (43531214205137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21765607102565 + 21765607102566.

It is an arithmetic number, because the mean of its divisors is an integer number (21765607102566).

Almost surely, 2^{43531214205131} is an apocalyptic number.

43531214205131 is a deficient number, since it is larger than the sum of its proper divisors (1).

43531214205131 is an equidigital number, since it uses as much as digits as its factorization.

43531214205131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 43531214205131 its reverse (13150241213534), we get a palindrome (56681455418665).

The spelling of 43531214205131 in words is "forty-three trillion, five hundred thirty-one billion, two hundred fourteen million, two hundred five thousand, one hundred thirty-one".