3123321221033 has 6 divisors (see below), whose sum is σ = 3382057890414. Its totient is φ = 2883065742336.

The previous prime is 3123321220993. The next prime is 3123321221051. The reversal of 3123321221033 is 3301221233213.

It can be written as a sum of positive squares in 3 ways, for example, as 158478036649 + 2964843184384 = 398093^2 + 1721872^2 .

It is not a de Polignac number, because 3123321221033 - 2¹⁶ = 3123321155497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123321220993 and 3123321221011.

It is not an unprimeable number, because it can be changed into a prime (3123321229033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9240595160 + ... + 9240595497.

It is an arithmetic number, because the mean of its divisors is an integer number (563676315069).

Almost surely, 2^{3123321221033} is an apocalyptic number.

It is an amenable number.

3123321221033 is a deficient number, since it is larger than the sum of its proper divisors (258736669381).

3123321221033 is a wasteful number, since it uses less digits than its factorization.

3123321221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18481190683 (or 18481190670 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3123321221033 its reverse (3301221233213), we get a palindrome (6424542454246).

The spelling of 3123321221033 in words is "three trillion, one hundred twenty-three billion, three hundred twenty-one million, two hundred twenty-one thousand, thirty-three".