203022223011313 has 4 divisors (see below), whose sum is σ = 203083726263028. Its totient is φ = 202960719759600.

The previous prime is 203022223011247. The next prime is 203022223011331. The reversal of 203022223011313 is 313110322220302.

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 51054054524944 + 151968168486369 = 7145212^2 + 12327537^2 .

It is a cyclic number.

It is not a de Polignac number, because 203022223011313 - 2²⁵ = 203022189456881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203022223011613) 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, 30751620906 + ... + 30751627507.

It is an arithmetic number, because the mean of its divisors is an integer number (50770931565757).

Almost surely, 2^{203022223011313} is an apocalyptic number.

It is an amenable number.

203022223011313 is a deficient number, since it is larger than the sum of its proper divisors (61503251715).

203022223011313 is an equidigital number, since it uses as much as digits as its factorization.

203022223011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61503251714.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203022223011313 its reverse (313110322220302), we get a palindrome (516132545231615).

The spelling of 203022223011313 in words is "two hundred three trillion, twenty-two billion, two hundred twenty-three million, eleven thousand, three hundred thirteen".