103313403 has 12 divisors (see below), whose sum is σ = 158008968. Its totient is φ = 64824000.

The previous prime is 103313389. The next prime is 103313453. The reversal of 103313403 is 304313301.

It is not a de Polignac number, because 103313403 - 2⁴ = 103313387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103313453) 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 11 ways as a sum of consecutive naturals, for example, 337473 + ... + 337778.

It is an arithmetic number, because the mean of its divisors is an integer number (13167414).

Almost surely, 2^103313403 is an apocalyptic number.

103313403 is a deficient number, since it is larger than the sum of its proper divisors (54695565).

103313403 is a wasteful number, since it uses less digits than its factorization.

103313403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675274 (or 675271 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 103313403 is about 10164.3200953138. The cubic root of 103313403 is about 469.2297675617.

Adding to 103313403 its reverse (304313301), we get a palindrome (407626704).

The spelling of 103313403 in words is "one hundred three million, three hundred thirteen thousand, four hundred three".