3121323023233 has 4 divisors (see below), whose sum is σ = 3205683104980. Its totient is φ = 3036962941488.

The previous prime is 3121323023177. The next prime is 3121323023239. The reversal of 3121323023233 is 3323203231213.

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 2866225298049 + 255097725184 = 1692993^2 + 505072^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121323023233 - 2⁴¹ = 922299767681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121323023239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42180040818 + ... + 42180040891.

It is an arithmetic number, because the mean of its divisors is an integer number (801420776245).

Almost surely, 2^{3121323023233} is an apocalyptic number.

It is an amenable number.

3121323023233 is a deficient number, since it is larger than the sum of its proper divisors (84360081747).

3121323023233 is an equidigital number, since it uses as much as digits as its factorization.

3121323023233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84360081746.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 3121323023233 its reverse (3323203231213), we get a palindrome (6444526254446).

The spelling of 3121323023233 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-three million, twenty-three thousand, two hundred thirty-three".