2355103321321 has 4 divisors (see below), whose sum is σ = 2364267147732. Its totient is φ = 2345939494912.

The previous prime is 2355103321297. The next prime is 2355103321339. The reversal of 2355103321321 is 1231233015532.

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 2324893057600 + 30210263721 = 1524760^2 + 173811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2355103321321 - 2¹⁵ = 2355103288553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2355103328321) 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 3 ways as a sum of consecutive naturals, for example, 4581912820 + ... + 4581913333.

It is an arithmetic number, because the mean of its divisors is an integer number (591066786933).

Almost surely, 2^{2355103321321} is an apocalyptic number.

It is an amenable number.

2355103321321 is a deficient number, since it is larger than the sum of its proper divisors (9163826411).

2355103321321 is an equidigital number, since it uses as much as digits as its factorization.

2355103321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9163826410.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 2355103321321 its reverse (1231233015532), we get a palindrome (3586336336853).

The spelling of 2355103321321 in words is "two trillion, three hundred fifty-five billion, one hundred three million, three hundred twenty-one thousand, three hundred twenty-one".