29131108 has 6 divisors (see below), whose sum is σ = 50979446. Its totient is φ = 14565552.

The previous prime is 29131097. The next prime is 29131111. The reversal of 29131108 is 80113192.

It can be written as a sum of positive squares in only one way, i.e., 28643904 + 487204 = 5352^2 + 698^2 .

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 as a sum of consecutive naturals, namely, 3641385 + ... + 3641392.

Almost surely, 2^29131108 is an apocalyptic number.

It is an amenable number.

29131108 is a deficient number, since it is larger than the sum of its proper divisors (21848338).

29131108 is a wasteful number, since it uses less digits than its factorization.

29131108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282781 (or 7282779 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 29131108 is about 5397.3241518367. The cubic root of 29131108 is about 307.6939812024.

The spelling of 29131108 in words is "twenty-nine million, one hundred thirty-one thousand, one hundred eight".