100314421 has 4 divisors (see below), whose sum is σ = 100432332. Its totient is φ = 100196512.

The previous prime is 100314407. The next prime is 100314443. The reversal of 100314421 is 124413001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91968100 + 8346321 = 9590^2 + 2889^2 .

It is a cyclic number.

It is not a de Polignac number, because 100314421 - 2²⁵ = 66759989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100314395 and 100314404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100314491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57670 + ... + 59383.

It is an arithmetic number, because the mean of its divisors is an integer number (25108083).

Almost surely, 2^100314421 is an apocalyptic number.

It is an amenable number.

100314421 is a deficient number, since it is larger than the sum of its proper divisors (117911).

100314421 is an equidigital number, since it uses as much as digits as its factorization.

100314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117910.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100314421 is about 10015.7087118186. The cubic root of 100314421 is about 464.6448453952.

Adding to 100314421 its reverse (124413001), we get a palindrome (224727422).

The spelling of 100314421 in words is "one hundred million, three hundred fourteen thousand, four hundred twenty-one".