100361321 has 2 divisors, whose sum is σ = 100361322. Its totient is φ = 100361320.

The previous prime is 100361299. The next prime is 100361323. The reversal of 100361321 is 123163001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 11323225 = 9436^2 + 3365^2 .

It is a cyclic number.

It is not a de Polignac number, because 100361321 - 2¹⁰ = 100360297 is a prime.

Together with 100361323, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100361321.

It is not a weakly prime, because it can be changed into another prime (100361323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50180660 + 50180661.

It is an arithmetic number, because the mean of its divisors is an integer number (50180661).

Almost surely, 2^100361321 is an apocalyptic number.

It is an amenable number.

100361321 is a deficient number, since it is larger than the sum of its proper divisors (1).

100361321 is an equidigital number, since it uses as much as digits as its factorization.

100361321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 100361321 is about 10018.0497603076. The cubic root of 100361321 is about 464.7172459129.

The spelling of 100361321 in words is "one hundred million, three hundred sixty-one thousand, three hundred twenty-one".