3121100133223 has 8 divisors (see below), whose sum is σ = 3153487873536. Its totient is φ = 3088752504600.

The previous prime is 3121100133199. The next prime is 3121100133253. The reversal of 3121100133223 is 3223310011213.

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

It is a cyclic number.

It is not a de Polignac number, because 3121100133223 - 2¹⁷ = 3121100002151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3121100133194 and 3121100133203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121100133253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9871483 + ... + 10182748.

It is an arithmetic number, because the mean of its divisors is an integer number (394185984192).

Almost surely, 2^{3121100133223} is an apocalyptic number.

3121100133223 is a deficient number, since it is larger than the sum of its proper divisors (32387740313).

3121100133223 is a wasteful number, since it uses less digits than its factorization.

3121100133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055845.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3121100133223 its reverse (3223310011213), we get a palindrome (6344410144436).

The spelling of 3121100133223 in words is "three trillion, one hundred twenty-one billion, one hundred million, one hundred thirty-three thousand, two hundred twenty-three".