203130101 has 2 divisors, whose sum is σ = 203130102. Its totient is φ = 203130100.

The previous prime is 203130071. The next prime is 203130107. The reversal of 203130101 is 101031302.

203130101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203034001 + 96100 = 14249^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 203130101 - 2¹⁴ = 203113717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203130107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101565050 + 101565051.

It is an arithmetic number, because the mean of its divisors is an integer number (101565051).

Almost surely, 2^203130101 is an apocalyptic number.

It is an amenable number.

203130101 is a deficient number, since it is larger than the sum of its proper divisors (1).

203130101 is an equidigital number, since it uses as much as digits as its factorization.

203130101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 203130101 is about 14252.3717675340. The cubic root of 203130101 is about 587.8385925693.

Adding to 203130101 its reverse (101031302), we get a palindrome (304161403).

The spelling of 203130101 in words is "two hundred three million, one hundred thirty thousand, one hundred one".