20100313 has 8 divisors (see below), whose sum is σ = 20592576. Its totient is φ = 19614000.

The previous prime is 20100299. The next prime is 20100317. The reversal of 20100313 is 31300102.

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 20100313 - 2⁵ = 20100281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20100313.

It is not an unprimeable number, because it can be changed into a prime (20100317) 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, 5770 + ... + 8572.

It is an arithmetic number, because the mean of its divisors is an integer number (2574072).

Almost surely, 2^20100313 is an apocalyptic number.

It is an amenable number.

20100313 is a deficient number, since it is larger than the sum of its proper divisors (492263).

20100313 is a wasteful number, since it uses less digits than its factorization.

20100313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 20100313 is about 4483.3372614605. The cubic root of 20100313 is about 271.8948239916.

Adding to 20100313 its reverse (31300102), we get a palindrome (51400415).

The spelling of 20100313 in words is "twenty million, one hundred thousand, three hundred thirteen".