100305342 has 12 divisors (see below), whose sum is σ = 217328280. Its totient is φ = 33435108.

The previous prime is 100305341. The next prime is 100305343. The reversal of 100305342 is 243503001.

100305342 is a `hidden beast` number, since 100 + 30 + 534 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (100305341) and next prime (100305343).

It is a super-2 number, since 2×100305342² = 20122323267473928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5572519 = 100305342 / (1 + 0 + 0 + 3 + 0 + 5 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100305341) 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 5 ways as a sum of consecutive naturals, for example, 2786242 + ... + 2786277.

It is an arithmetic number, because the mean of its divisors is an integer number (18110690).

Almost surely, 2^100305342 is an apocalyptic number.

100305342 is an abundant number, since it is smaller than the sum of its proper divisors (117022938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100305342 is a wasteful number, since it uses less digits than its factorization.

100305342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572527 (or 5572524 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 100305342 is about 10015.2554635416. The cubic root of 100305342 is about 464.6308273449.

Adding to 100305342 its reverse (243503001), we get a palindrome (343808343).

The spelling of 100305342 in words is "one hundred million, three hundred five thousand, three hundred forty-two".