103134305205 has 48 divisors (see below), whose sum is σ = 180754470000. Its totient is φ = 54396407808.

The previous prime is 103134305191. The next prime is 103134305207. The reversal of 103134305205 is 502503431301.

103134305205 is a `hidden beast` number, since 1 + 0 + 3 + 134 + 3 + 0 + 520 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3797763876 + 99336541329 = 61626^2 + 315177^2 .

It is not a de Polignac number, because 103134305205 - 2²⁵ = 103100750773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103134305207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1501861 + ... + 1569029.

It is an arithmetic number, because the mean of its divisors is an integer number (3765718125).

Almost surely, 2^103134305205 is an apocalyptic number.

103134305205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103134305205 is a deficient number, since it is larger than the sum of its proper divisors (77620164795).

103134305205 is a wasteful number, since it uses less digits than its factorization.

103134305205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67558 (or 67555 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 103134305205 its reverse (502503431301), we get a palindrome (605637736506).

The spelling of 103134305205 in words is "one hundred three billion, one hundred thirty-four million, three hundred five thousand, two hundred five".