21313120333033 has 32 divisors (see below), whose sum is σ = 22489350340608. Its totient is φ = 20172303849600.

The previous prime is 21313120333003. The next prime is 21313120333049. The reversal of 21313120333033 is 33033302131312.

It is a cyclic number.

It is not a de Polignac number, because 21313120333033 - 2²¹ = 21313118235881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21313120332992 and 21313120333010.

It is not an unprimeable number, because it can be changed into a prime (21313120333003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436299616 + ... + 436348462.

It is an arithmetic number, because the mean of its divisors is an integer number (702792198144).

Almost surely, 2^{21313120333033} is an apocalyptic number.

It is an amenable number.

21313120333033 is a deficient number, since it is larger than the sum of its proper divisors (1176230007575).

21313120333033 is a wasteful number, since it uses less digits than its factorization.

21313120333033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50533.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 21313120333033 its reverse (33033302131312), we get a palindrome (54346422464345).

The spelling of 21313120333033 in words is "twenty-one trillion, three hundred thirteen billion, one hundred twenty million, three hundred thirty-three thousand, thirty-three".