100403313 has 8 divisors (see below), whose sum is σ = 133918176. Its totient is φ = 66912000.

The previous prime is 100403299. The next prime is 100403333. The reversal of 100403313 is 313304001.

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

It is not a de Polignac number, because 100403313 - 2⁸ = 100403057 is a prime.

It is a super-2 number, since 2×100403313² = 20161650522751938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100403292 and 100403301.

It is not an unprimeable number, because it can be changed into a prime (100403333) 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, 10918 + ... + 17888.

It is an arithmetic number, because the mean of its divisors is an integer number (16739772).

Almost surely, 2^100403313 is an apocalyptic number.

It is an amenable number.

100403313 is a deficient number, since it is larger than the sum of its proper divisors (33514863).

100403313 is an equidigital number, since it uses as much as digits as its factorization.

100403313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11775.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 100403313 is about 10020.1453582271. The cubic root of 100403313 is about 464.7820507114.

Adding to 100403313 its reverse (313304001), we get a palindrome (413707314).

The spelling of 100403313 in words is "one hundred million, four hundred three thousand, three hundred thirteen".