203230101313 has 2 divisors, whose sum is σ = 203230101314. Its totient is φ = 203230101312.

The previous prime is 203230101311. The next prime is 203230101329. The reversal of 203230101313 is 313101032302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174984929344 + 28245171969 = 418312^2 + 168063^2 .

It is a cyclic number.

It is not a de Polignac number, because 203230101313 - 2¹ = 203230101311 is a prime.

Together with 203230101311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (203230101311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101615050656 + 101615050657.

It is an arithmetic number, because the mean of its divisors is an integer number (101615050657).

Almost surely, 2^203230101313 is an apocalyptic number.

It is an amenable number.

203230101313 is a deficient number, since it is larger than the sum of its proper divisors (1).

203230101313 is an equidigital number, since it uses as much as digits as its factorization.

203230101313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203230101313 its reverse (313101032302), we get a palindrome (516331133615).

The spelling of 203230101313 in words is "two hundred three billion, two hundred thirty million, one hundred one thousand, three hundred thirteen".