21233131113313 has 8 divisors (see below), whose sum is σ = 24303258682560. Its totient is φ = 18172209325200.

The previous prime is 21233131113301. The next prime is 21233131113331. The reversal of 21233131113313 is 31331113133212.

It is a happy number.

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

It is not a de Polignac number, because 21233131113313 - 2⁹ = 21233131112801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233131113343) 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, 2301440338 + ... + 2301449563.

It is an arithmetic number, because the mean of its divisors is an integer number (3037907335320).

Almost surely, 2^{21233131113313} is an apocalyptic number.

It is an amenable number.

21233131113313 is a deficient number, since it is larger than the sum of its proper divisors (3070127569247).

21233131113313 is an equidigital number, since it uses as much as digits as its factorization.

21233131113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602890567.

The product of its digits is 2916, while the sum is 28.

Adding to 21233131113313 its reverse (31331113133212), we get a palindrome (52564244246525).

The spelling of 21233131113313 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred thirteen".