100305307 has 4 divisors (see below), whose sum is σ = 100686960. Its totient is φ = 99923656.

The previous prime is 100305299. The next prime is 100305329. The reversal of 100305307 is 703503001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703503001 = 23 ⋅30587087.

It is a cyclic number.

It is not a de Polignac number, because 100305307 - 2³ = 100305299 is a prime.

It is a super-2 number, since 2×100305307² = 20122309224728498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100305407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190432 + ... + 190957.

It is an arithmetic number, because the mean of its divisors is an integer number (25171740).

Almost surely, 2^100305307 is an apocalyptic number.

100305307 is a deficient number, since it is larger than the sum of its proper divisors (381653).

100305307 is an equidigital number, since it uses as much as digits as its factorization.

100305307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381652.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 100305307 is about 10015.2537162071. The cubic root of 100305307 is about 464.6307733029.

Adding to 100305307 its reverse (703503001), we get a palindrome (803808308).

The spelling of 100305307 in words is "one hundred million, three hundred five thousand, three hundred seven".