29131105 has 8 divisors (see below), whose sum is σ = 34986600. Its totient is φ = 23285376.

The previous prime is 29131097. The next prime is 29131111. The reversal of 29131105 is 50113192.

It can be written as a sum of positive squares in 4 ways, for example, as 9381969 + 19749136 = 3063^2 + 4444^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29131105 - 2³ = 29131097 is a prime.

It is an unprimeable number.

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, 9051 + ... + 11839.

It is an arithmetic number, because the mean of its divisors is an integer number (4373325).

Almost surely, 2^29131105 is an apocalyptic number.

It is an amenable number.

29131105 is a deficient number, since it is larger than the sum of its proper divisors (5855495).

29131105 is a wasteful number, since it uses less digits than its factorization.

29131105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 29131105 is about 5397.3238739212. The cubic root of 29131105 is about 307.6939706401.

Adding to 29131105 its reverse (50113192), we get a palindrome (79244297).

The spelling of 29131105 in words is "twenty-nine million, one hundred thirty-one thousand, one hundred five".