321010000027 has 2 divisors, whose sum is σ = 321010000028. Its totient is φ = 321010000026.

The previous prime is 321010000019. The next prime is 321010000061. The reversal of 321010000027 is 720000010123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321010000027 - 2³ = 321010000019 is a prime.

It is not a weakly prime, because it can be changed into another prime (321010004027) 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, 160505000013 + 160505000014.

It is an arithmetic number, because the mean of its divisors is an integer number (160505000014).

Almost surely, 2^321010000027 is an apocalyptic number.

321010000027 is a deficient number, since it is larger than the sum of its proper divisors (1).

321010000027 is an equidigital number, since it uses as much as digits as its factorization.

321010000027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The spelling of 321010000027 in words is "three hundred twenty-one billion, ten million, twenty-seven", and thus it is an aban number.