202220313121313 has 4 divisors (see below), whose sum is σ = 202220861407488. Its totient is φ = 202219764835140.

The previous prime is 202220313121297. The next prime is 202220313121319. The reversal of 202220313121313 is 313121313022202.

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 202220313121313 - 2⁴ = 202220313121297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220313121319) 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, 273589481 + ... + 274327622.

It is an arithmetic number, because the mean of its divisors is an integer number (50555215351872).

Almost surely, 2^{202220313121313} is an apocalyptic number.

It is an amenable number.

202220313121313 is a deficient number, since it is larger than the sum of its proper divisors (548286175).

202220313121313 is an equidigital number, since it uses as much as digits as its factorization.

202220313121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548286174.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 202220313121313 its reverse (313121313022202), we get a palindrome (515341626143515).

The spelling of 202220313121313 in words is "two hundred two trillion, two hundred twenty billion, three hundred thirteen million, one hundred twenty-one thousand, three hundred thirteen".