2355313121 has 4 divisors (see below), whose sum is σ = 2691786432. Its totient is φ = 2018839812.

The previous prime is 2355313117. The next prime is 2355313123. The reversal of 2355313121 is 1213135532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2355313121 - 2² = 2355313117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2355313123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168236645 + ... + 168236658.

It is an arithmetic number, because the mean of its divisors is an integer number (672946608).

Almost surely, 2^2355313121 is an apocalyptic number.

It is an amenable number.

2355313121 is a deficient number, since it is larger than the sum of its proper divisors (336473311).

2355313121 is an equidigital number, since it uses as much as digits as its factorization.

2355313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336473310.

The product of its digits is 2700, while the sum is 26.

The square root of 2355313121 is about 48531.5682932254. The cubic root of 2355313121 is about 1330.5040999013.

Adding to 2355313121 its reverse (1213135532), we get a palindrome (3568448653).

The spelling of 2355313121 in words is "two billion, three hundred fifty-five million, three hundred thirteen thousand, one hundred twenty-one".