100840313 has 8 divisors (see below), whose sum is σ = 115452480. Its totient is φ = 86279760.

The previous prime is 100840307. The next prime is 100840321. The reversal of 100840313 is 313048001.

It is a happy number.

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

It is not a de Polignac number, because 100840313 - 2¹² = 100836217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100840393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8618 + ... + 16611.

It is an arithmetic number, because the mean of its divisors is an integer number (14431560).

Almost surely, 2^100840313 is an apocalyptic number.

It is an amenable number.

100840313 is a deficient number, since it is larger than the sum of its proper divisors (14612167).

100840313 is an equidigital number, since it uses as much as digits as its factorization.

100840313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25807.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 100840313 is about 10041.9277531757. The cubic root of 100840313 is about 465.4553876954.

Adding to 100840313 its reverse (313048001), we get a palindrome (413888314).

The spelling of 100840313 in words is "one hundred million, eight hundred forty thousand, three hundred thirteen".