100313543 has 8 divisors (see below), whose sum is σ = 109690896. Its totient is φ = 90979200.

The previous prime is 100313537. The next prime is 100313561. The reversal of 100313543 is 345313001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100313543 - 2⁸ = 100313287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100313513) 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 7 ways as a sum of consecutive naturals, for example, 5768 + ... + 15293.

It is an arithmetic number, because the mean of its divisors is an integer number (13711362).

Almost surely, 2^100313543 is an apocalyptic number.

100313543 is a deficient number, since it is larger than the sum of its proper divisors (9377353).

100313543 is a wasteful number, since it uses less digits than its factorization.

100313543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21505.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 100313543 is about 10015.6648805758. The cubic root of 100313543 is about 464.6434897930.

Adding to 100313543 its reverse (345313001), we get a palindrome (445626544).

The spelling of 100313543 in words is "one hundred million, three hundred thirteen thousand, five hundred forty-three".