131099241 has 32 divisors (see below), whose sum is σ = 224501760. Its totient is φ = 66141504.

The previous prime is 131099233. The next prime is 131099281. The reversal of 131099241 is 142990131.

It is not a de Polignac number, because 131099241 - 2³ = 131099233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131099199 and 131099208.

It is not an unprimeable number, because it can be changed into a prime (131099201) 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, 4161 + ... + 16718.

It is an arithmetic number, because the mean of its divisors is an integer number (7015680).

Almost surely, 2^131099241 is an apocalyptic number.

It is an amenable number.

131099241 is a deficient number, since it is larger than the sum of its proper divisors (93402519).

131099241 is a wasteful number, since it uses less digits than its factorization.

131099241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20925.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 131099241 is about 11449.8576847051. The cubic root of 131099241 is about 508.0035249409.

The spelling of 131099241 in words is "one hundred thirty-one million, ninety-nine thousand, two hundred forty-one".