20112313003313 has 16 divisors (see below), whose sum is σ = 22567024161360. Its totient is φ = 17830735104000.

The previous prime is 20112313003291. The next prime is 20112313003319. The reversal of 20112313003313 is 31330031321102.

It can be written as a sum of positive squares in 8 ways, for example, as 3542797301824 + 16569515701489 = 1882232^2 + 4070567^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112313003313 - 2³⁰ = 20111239261489 is a prime.

It is a super-3 number, since 3×20112313003313³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112313003319) 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, 497489138 + ... + 497529563.

It is an arithmetic number, because the mean of its divisors is an integer number (1410439010085).

Almost surely, 2^{20112313003313} is an apocalyptic number.

It is an amenable number.

20112313003313 is a deficient number, since it is larger than the sum of its proper divisors (2454711158047).

20112313003313 is a wasteful number, since it uses less digits than its factorization.

20112313003313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995018788.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20112313003313 its reverse (31330031321102), we get a palindrome (51442344324415).

The spelling of 20112313003313 in words is "twenty trillion, one hundred twelve billion, three hundred thirteen million, three thousand, three hundred thirteen".