203220201313 has 8 divisors (see below), whose sum is σ = 219234224808. Its totient is φ = 187657277184.

The previous prime is 203220201307. The next prime is 203220201319. The reversal of 203220201313 is 313102022302.

It is an interprime number because it is at equal distance from previous prime (203220201307) and next prime (203220201319).

It can be written as a sum of positive squares in 4 ways, for example, as 113401909504 + 89818291809 = 336752^2 + 299697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203220201313 - 2²⁵ = 203186646881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203220201319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112773906 + ... + 112775707.

It is an arithmetic number, because the mean of its divisors is an integer number (27404278101).

Almost surely, 2^203220201313 is an apocalyptic number.

It is an amenable number.

203220201313 is a deficient number, since it is larger than the sum of its proper divisors (16014023495).

203220201313 is a wasteful number, since it uses less digits than its factorization.

203220201313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225549683.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203220201313 its reverse (313102022302), we get a palindrome (516322223615).

The spelling of 203220201313 in words is "two hundred three billion, two hundred twenty million, two hundred one thousand, three hundred thirteen".