1001020000013 has 4 divisors (see below), whose sum is σ = 1092021818208. Its totient is φ = 910018181820.

The previous prime is 1001020000007. The next prime is 1001020000049. The reversal of 1001020000013 is 3100000201001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1001020000013 - 2⁴ = 1001019999997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001020000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45500909081 + ... + 45500909102.

It is an arithmetic number, because the mean of its divisors is an integer number (273005454552).

Almost surely, 2^{1001020000013} is an apocalyptic number.

It is an amenable number.

1001020000013 is a deficient number, since it is larger than the sum of its proper divisors (91001818195).

1001020000013 is an equidigital number, since it uses as much as digits as its factorization.

1001020000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91001818194.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 1001020000013 its reverse (3100000201001), we get a palindrome (4101020201014).

The spelling of 1001020000013 in words is "one trillion, one billion, twenty million, thirteen", and thus it is an aban number and an uban number.