1013321003213 has 8 divisors (see below), whose sum is σ = 1017264533400. Its totient is φ = 1009378781248.

The previous prime is 1013321003197. The next prime is 1013321003231. The reversal of 1013321003213 is 3123001233101.

It can be written as a sum of positive squares in 4 ways, for example, as 342006244969 + 671314758244 = 584813^2 + 819338^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013321003213 - 2⁴ = 1013321003197 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 (1013321003243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239683 + ... + 1887711.

It is an arithmetic number, because the mean of its divisors is an integer number (127158066675).

Almost surely, 2^{1013321003213} is an apocalyptic number.

It is an amenable number.

1013321003213 is a deficient number, since it is larger than the sum of its proper divisors (3943530187).

1013321003213 is an equidigital number, since it uses as much as digits as its factorization.

1013321003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654111.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1013321003213 its reverse (3123001233101), we get a palindrome (4136322236314).

The spelling of 1013321003213 in words is "one trillion, thirteen billion, three hundred twenty-one million, three thousand, two hundred thirteen".