42881000531 has 2 divisors, whose sum is σ = 42881000532. Its totient is φ = 42881000530.

The previous prime is 42881000509. The next prime is 42881000551. The reversal of 42881000531 is 13500018824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42881000531 - 2¹⁸ = 42880738387 is a prime.

It is a super-2 number, since 2×42881000531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42881000551) by changing a digit.

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 as a sum of consecutive naturals, namely, 21440500265 + 21440500266.

It is an arithmetic number, because the mean of its divisors is an integer number (21440500266).

Almost surely, 2^42881000531 is an apocalyptic number.

42881000531 is a deficient number, since it is larger than the sum of its proper divisors (1).

42881000531 is an equidigital number, since it uses as much as digits as its factorization.

42881000531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 42881000531 in words is "forty-two billion, eight hundred eighty-one million, five hundred thirty-one", and thus it is an aban number.