20131312300333 has 4 divisors (see below), whose sum is σ = 21679874784988. Its totient is φ = 18582749815680.

The previous prime is 20131312300181. The next prime is 20131312300357. The reversal of 20131312300333 is 33300321313102.

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 8386688576484 + 11744623723849 = 2895978^2 + 3427043^2 .

It is a cyclic number.

It is not a de Polignac number, because 20131312300333 - 2¹³ = 20131312292141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20131312300298 and 20131312300307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131312300433) 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, 774281242308 + ... + 774281242333.

It is an arithmetic number, because the mean of its divisors is an integer number (5419968696247).

Almost surely, 2^{20131312300333} is an apocalyptic number.

It is an amenable number.

20131312300333 is a deficient number, since it is larger than the sum of its proper divisors (1548562484655).

20131312300333 is a wasteful number, since it uses less digits than its factorization.

20131312300333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548562484654.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20131312300333 its reverse (33300321313102), we get a palindrome (53431633613435).

The spelling of 20131312300333 in words is "twenty trillion, one hundred thirty-one billion, three hundred twelve million, three hundred thousand, three hundred thirty-three".