1000321232013 has 16 divisors (see below), whose sum is σ = 1483569993600. Its totient is φ = 666155145600.

The previous prime is 1000321231993. The next prime is 1000321232033. The reversal of 1000321232013 is 3102321230001.

1000321232013 is a `hidden beast` number, since 10 + 0 + 0 + 321 + 2 + 320 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (1000321231993) and next prime (1000321232033).

It is not a de Polignac number, because 1000321232013 - 2¹⁰ = 1000321230989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000321232033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20132388 + ... + 20182013.

It is an arithmetic number, because the mean of its divisors is an integer number (92723124600).

Almost surely, 2^{1000321232013} is an apocalyptic number.

It is an amenable number.

1000321232013 is a deficient number, since it is larger than the sum of its proper divisors (483248761587).

1000321232013 is an equidigital number, since it uses as much as digits as its factorization.

1000321232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40315329 (or 40315323 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1000321232013 its reverse (3102321230001), we get a palindrome (4102642462014).

The spelling of 1000321232013 in words is "one trillion, three hundred twenty-one million, two hundred thirty-two thousand, thirteen".