100313013193 has 2 divisors, whose sum is σ = 100313013194. Its totient is φ = 100313013192.

The previous prime is 100313013179. The next prime is 100313013221. The reversal of 100313013193 is 391310313001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91402219584 + 8910793609 = 302328^2 + 94397^2 .

It is a cyclic number.

It is not a de Polignac number, because 100313013193 - 2⁵ = 100313013161 is a prime.

It is not a weakly prime, because it can be changed into another prime (100313013103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156506596 + 50156506597.

It is an arithmetic number, because the mean of its divisors is an integer number (50156506597).

Almost surely, 2^100313013193 is an apocalyptic number.

It is an amenable number.

100313013193 is a deficient number, since it is larger than the sum of its proper divisors (1).

100313013193 is an equidigital number, since it uses as much as digits as its factorization.

100313013193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 25.

Adding to 100313013193 its reverse (391310313001), we get a palindrome (491623326194).

The spelling of 100313013193 in words is "one hundred billion, three hundred thirteen million, thirteen thousand, one hundred ninety-three".