131108049 has 6 divisors (see below), whose sum is σ = 189378306. Its totient is φ = 87405360.

The previous prime is 131108039. The next prime is 131108053. The reversal of 131108049 is 940801131.

It can be written as a sum of positive squares in only one way, i.e., 103734225 + 27373824 = 10185^2 + 5232^2 .

It is not a de Polignac number, because 131108049 - 2⁵ = 131108017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131108009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7283772 + ... + 7283789.

It is an arithmetic number, because the mean of its divisors is an integer number (31563051).

Almost surely, 2^131108049 is an apocalyptic number.

It is an amenable number.

131108049 is a deficient number, since it is larger than the sum of its proper divisors (58270257).

131108049 is a wasteful number, since it uses less digits than its factorization.

131108049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567567 (or 14567564 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 131108049 is about 11450.2423118465. The cubic root of 131108049 is about 508.0149015510.

The spelling of 131108049 in words is "one hundred thirty-one million, one hundred eight thousand, forty-nine".