203020130101 has 2 divisors, whose sum is σ = 203020130102. Its totient is φ = 203020130100.

The previous prime is 203020130099. The next prime is 203020130143. The reversal of 203020130101 is 101031020302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111423107601 + 91597022500 = 333801^2 + 302650^2 .

It is a cyclic number.

It is not a de Polignac number, because 203020130101 - 2¹ = 203020130099 is a prime.

Together with 203020130099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203020133101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101510065050 + 101510065051.

It is an arithmetic number, because the mean of its divisors is an integer number (101510065051).

Almost surely, 2^203020130101 is an apocalyptic number.

It is an amenable number.

203020130101 is a deficient number, since it is larger than the sum of its proper divisors (1).

203020130101 is an equidigital number, since it uses as much as digits as its factorization.

203020130101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 203020130101 its reverse (101031020302), we get a palindrome (304051150403).

The spelling of 203020130101 in words is "two hundred three billion, twenty million, one hundred thirty thousand, one hundred one".