203102103101 has 2 divisors, whose sum is σ = 203102103102. Its totient is φ = 203102103100.

The previous prime is 203102103097. The next prime is 203102103131. The reversal of 203102103101 is 101301201302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200999788900 + 2102314201 = 448330^2 + 45851^2 .

It is a cyclic number.

It is not a de Polignac number, because 203102103101 - 2² = 203102103097 is a prime.

It is a super-3 number, since 3×203102103101³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203102103131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101551051550 + 101551051551.

It is an arithmetic number, because the mean of its divisors is an integer number (101551051551).

Almost surely, 2^203102103101 is an apocalyptic number.

It is an amenable number.

203102103101 is a deficient number, since it is larger than the sum of its proper divisors (1).

203102103101 is an equidigital number, since it uses as much as digits as its factorization.

203102103101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 203102103101 its reverse (101301201302), we get a palindrome (304403304403).

The spelling of 203102103101 in words is "two hundred three billion, one hundred two million, one hundred three thousand, one hundred one".