22331123121313 has 4 divisors (see below), whose sum is σ = 22336676749588. Its totient is φ = 22325569493040.

The previous prime is 22331123121301. The next prime is 22331123121323. The reversal of 22331123121313 is 31312132113322.

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 8770405251169 + 13560717870144 = 2961487^2 + 3682488^2 .

It is a cyclic number.

It is not a de Polignac number, because 22331123121313 - 2²¹ = 22331121024161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331123121323) 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, 2776808106 + ... + 2776816147.

It is an arithmetic number, because the mean of its divisors is an integer number (5584169187397).

Almost surely, 2^{22331123121313} is an apocalyptic number.

It is an amenable number.

22331123121313 is a deficient number, since it is larger than the sum of its proper divisors (5553628275).

22331123121313 is an equidigital number, since it uses as much as digits as its factorization.

22331123121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553628274.

The product of its digits is 3888, while the sum is 28.

Adding to 22331123121313 its reverse (31312132113322), we get a palindrome (53643255234635).

The spelling of 22331123121313 in words is "twenty-two trillion, three hundred thirty-one billion, one hundred twenty-three million, one hundred twenty-one thousand, three hundred thirteen".