100031310317 has 2 divisors, whose sum is σ = 100031310318. Its totient is φ = 100031310316.

The previous prime is 100031310311. The next prime is 100031310343. The reversal of 100031310317 is 713013130001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81868087876 + 18163222441 = 286126^2 + 134771^2 .

It is a cyclic number.

It is not a de Polignac number, because 100031310317 - 2²⁰ = 100030261741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100031310311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50015655158 + 50015655159.

It is an arithmetic number, because the mean of its divisors is an integer number (50015655159).

Almost surely, 2^100031310317 is an apocalyptic number.

It is an amenable number.

100031310317 is a deficient number, since it is larger than the sum of its proper divisors (1).

100031310317 is an equidigital number, since it uses as much as digits as its factorization.

100031310317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 20.

Adding to 100031310317 its reverse (713013130001), we get a palindrome (813044440318).

The spelling of 100031310317 in words is "one hundred billion, thirty-one million, three hundred ten thousand, three hundred seventeen".