103113505 has 8 divisors (see below), whose sum is σ = 134985024. Its totient is φ = 74991600.

The previous prime is 103113497. The next prime is 103113509. The reversal of 103113505 is 505311301.

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

It is not a de Polignac number, because 103113505 - 2³ = 103113497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103113509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937341 + ... + 937450.

It is an arithmetic number, because the mean of its divisors is an integer number (16873128).

Almost surely, 2^103113505 is an apocalyptic number.

It is an amenable number.

103113505 is a deficient number, since it is larger than the sum of its proper divisors (31871519).

103113505 is a wasteful number, since it uses less digits than its factorization.

103113505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874807.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 103113505 is about 10154.4820153467. The cubic root of 103113505 is about 468.9269393059.

Adding to 103113505 its reverse (505311301), we get a palindrome (608424806).

The spelling of 103113505 in words is "one hundred three million, one hundred thirteen thousand, five hundred five".