100450313 has 2 divisors, whose sum is σ = 100450314. Its totient is φ = 100450312.

The previous prime is 100450309. The next prime is 100450349. The reversal of 100450313 is 313054001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98565184 + 1885129 = 9928^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 100450313 - 2² = 100450309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100450291 and 100450300.

It is not a weakly prime, because it can be changed into another prime (100450373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50225156 + 50225157.

It is an arithmetic number, because the mean of its divisors is an integer number (50225157).

Almost surely, 2^100450313 is an apocalyptic number.

It is an amenable number.

100450313 is a deficient number, since it is larger than the sum of its proper divisors (1).

100450313 is an equidigital number, since it uses as much as digits as its factorization.

100450313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 100450313 is about 10022.4903591872. The cubic root of 100450313 is about 464.8545627565.

The spelling of 100450313 in words is "one hundred million, four hundred fifty thousand, three hundred thirteen".