131202441 has 6 divisors (see below), whose sum is σ = 189514650. Its totient is φ = 87468288.

The previous prime is 131202439. The next prime is 131202451. The reversal of 131202441 is 144202131.

It can be written as a sum of positive squares in only one way, i.e., 89870400 + 41332041 = 9480^2 + 6429^2 .

It is not a de Polignac number, because 131202441 - 2¹ = 131202439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131202431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7289016 + ... + 7289033.

It is an arithmetic number, because the mean of its divisors is an integer number (31585775).

Almost surely, 2^131202441 is an apocalyptic number.

It is an amenable number.

131202441 is a deficient number, since it is larger than the sum of its proper divisors (58312209).

131202441 is a wasteful number, since it uses less digits than its factorization.

131202441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14578055 (or 14578052 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 131202441 is about 11454.3634043975. The cubic root of 131202441 is about 508.1367883959.

Adding to 131202441 its reverse (144202131), we get a palindrome (275404572).

The spelling of 131202441 in words is "one hundred thirty-one million, two hundred two thousand, four hundred forty-one".