100990280317 has 2 divisors, whose sum is σ = 100990280318. Its totient is φ = 100990280316.

The previous prime is 100990280231. The next prime is 100990280383. The reversal of 100990280317 is 713082099001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67519943716 + 33470336601 = 259846^2 + 182949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100990280317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100990280317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100990281317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50495140158 + 50495140159.

It is an arithmetic number, because the mean of its divisors is an integer number (50495140159).

Almost surely, 2^100990280317 is an apocalyptic number.

It is an amenable number.

100990280317 is a deficient number, since it is larger than the sum of its proper divisors (1).

100990280317 is an equidigital number, since it uses as much as digits as its factorization.

100990280317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 100990280317 in words is "one hundred billion, nine hundred ninety million, two hundred eighty thousand, three hundred seventeen".