1001231000039 has 2 divisors, whose sum is σ = 1001231000040. Its totient is φ = 1001231000038.

The previous prime is 1001230999987. The next prime is 1001231000059. The reversal of 1001231000039 is 9300001321001.

It is an a-pointer prime, because the next prime (1001231000059) can be obtained adding 1001231000039 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001231000039 - 2²⁴ = 1001214222823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001231000059) 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, 500615500019 + 500615500020.

It is an arithmetic number, because the mean of its divisors is an integer number (500615500020).

Almost surely, 2^{1001231000039} is an apocalyptic number.

1001231000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001231000039 is an equidigital number, since it uses as much as digits as its factorization.

1001231000039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 1001231000039 in words is "one trillion, one billion, two hundred thirty-one million, thirty-nine", and thus it is an aban number.