1001003223113 has 4 divisors (see below), whose sum is σ = 1007721365700. Its totient is φ = 994285080528.

The previous prime is 1001003223067. The next prime is 1001003223127. The reversal of 1001003223113 is 3113223001001.

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 419493268489 + 581509954624 = 647683^2 + 762568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001003223113 is a prime.

It is a super-2 number, since 2×1001003223113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001003223091 and 1001003223100.

It is not an unprimeable number, because it can be changed into a prime (1001003223413) 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, 3359071070 + ... + 3359071367.

It is an arithmetic number, because the mean of its divisors is an integer number (251930341425).

Almost surely, 2^{1001003223113} is an apocalyptic number.

It is an amenable number.

1001003223113 is a deficient number, since it is larger than the sum of its proper divisors (6718142587).

1001003223113 is an equidigital number, since it uses as much as digits as its factorization.

1001003223113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718142586.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1001003223113 its reverse (3113223001001), we get a palindrome (4114226224114).

The spelling of 1001003223113 in words is "one trillion, one billion, three million, two hundred twenty-three thousand, one hundred thirteen".