103403313 has 24 divisors (see below), whose sum is σ = 161208320. Its totient is φ = 63491040.

The previous prime is 103403297. The next prime is 103403369. The reversal of 103403313 is 313304301.

103403313 is a `hidden beast` number, since 10 + 340 + 3 + 313 = 666.

It is not a de Polignac number, because 103403313 - 2⁴ = 103403297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103403413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80208 + ... + 81486.

Almost surely, 2^103403313 is an apocalyptic number.

103403313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103403313 is a deficient number, since it is larger than the sum of its proper divisors (57805007).

103403313 is a wasteful number, since it uses less digits than its factorization.

103403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1986 counting only the distinct ones).

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

The square root of 103403313 is about 10168.7419575875. The cubic root of 103403313 is about 469.3658461173.

Adding to 103403313 its reverse (313304301), we get a palindrome (416707614).

The spelling of 103403313 in words is "one hundred three million, four hundred three thousand, three hundred thirteen".