103405113 has 32 divisors (see below), whose sum is σ = 176843520. Its totient is φ = 58492800.

The previous prime is 103405109. The next prime is 103405129. The reversal of 103405113 is 311504301.

It is not a de Polignac number, because 103405113 - 2² = 103405109 is a prime.

It is a super-3 number, since 3×103405113³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103405193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16381 + ... + 21797.

It is an arithmetic number, because the mean of its divisors is an integer number (5526360).

Almost surely, 2^103405113 is an apocalyptic number.

It is an amenable number.

103405113 is a deficient number, since it is larger than the sum of its proper divisors (73438407).

103405113 is a wasteful number, since it uses less digits than its factorization.

103405113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 103405113 is about 10168.8304637259. The cubic root of 103405113 is about 469.3685696071.

Adding to 103405113 its reverse (311504301), we get a palindrome (414909414).

The spelling of 103405113 in words is "one hundred three million, four hundred five thousand, one hundred thirteen".