1001313211333 has 4 divisors (see below), whose sum is σ = 1010499571180. Its totient is φ = 992126851488.

The previous prime is 1001313211321. The next prime is 1001313211337. The reversal of 1001313211333 is 3331123131001.

1001313211333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 784937525089 + 216375686244 = 885967^2 + 465162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001313211333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001313211337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593179760 + ... + 4593179977.

It is an arithmetic number, because the mean of its divisors is an integer number (252624892795).

Almost surely, 2^{1001313211333} is an apocalyptic number.

It is an amenable number.

1001313211333 is a deficient number, since it is larger than the sum of its proper divisors (9186359847).

1001313211333 is an equidigital number, since it uses as much as digits as its factorization.

1001313211333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9186359846.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1001313211333 its reverse (3331123131001), we get a palindrome (4332436342334).

The spelling of 1001313211333 in words is "one trillion, one billion, three hundred thirteen million, two hundred eleven thousand, three hundred thirty-three".