100203313117 has 2 divisors, whose sum is σ = 100203313118. Its totient is φ = 100203313116.

The previous prime is 100203313073. The next prime is 100203313123. The reversal of 100203313117 is 711313302001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82404017721 + 17799295396 = 287061^2 + 133414^2 .

It is a cyclic number.

It is not a de Polignac number, because 100203313117 - 2²⁷ = 100069095389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100203314117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101656558 + 50101656559.

It is an arithmetic number, because the mean of its divisors is an integer number (50101656559).

Almost surely, 2^100203313117 is an apocalyptic number.

It is an amenable number.

100203313117 is a deficient number, since it is larger than the sum of its proper divisors (1).

100203313117 is an equidigital number, since it uses as much as digits as its factorization.

100203313117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 100203313117 its reverse (711313302001), we get a palindrome (811516615118).

The spelling of 100203313117 in words is "one hundred billion, two hundred three million, three hundred thirteen thousand, one hundred seventeen".