31852845439 has 2 divisors, whose sum is σ = 31852845440. Its totient is φ = 31852845438.

The previous prime is 31852845397. The next prime is 31852845457. The reversal of 31852845439 is 93454825813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31852845439 - 2²⁹ = 31315974527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31852845239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15926422719 + 15926422720.

It is an arithmetic number, because the mean of its divisors is an integer number (15926422720).

Almost surely, 2^31852845439 is an apocalyptic number.

31852845439 is a deficient number, since it is larger than the sum of its proper divisors (1).

31852845439 is an equidigital number, since it uses as much as digits as its factorization.

31852845439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 52.

The spelling of 31852845439 in words is "thirty-one billion, eight hundred fifty-two million, eight hundred forty-five thousand, four hundred thirty-nine".