131420241 has 12 divisors (see below), whose sum is σ = 189928960. Its totient is φ = 87567480.

The previous prime is 131420173. The next prime is 131420269. The reversal of 131420241 is 142024131.

131420241 is a `hidden beast` number, since 1 + 3 + 1 + 420 + 241 = 666.

It is not a de Polignac number, because 131420241 - 2¹⁹ = 130895953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131420281) 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 11 ways as a sum of consecutive naturals, for example, 29520 + ... + 33678.

Almost surely, 2^131420241 is an apocalyptic number.

It is an amenable number.

131420241 is a deficient number, since it is larger than the sum of its proper divisors (58508719).

131420241 is a wasteful number, since it uses less digits than its factorization.

131420241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676 (or 7673 counting only the distinct ones).

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

The square root of 131420241 is about 11463.8667560296. The cubic root of 131420241 is about 508.4178070730.

Adding to 131420241 its reverse (142024131), we get a palindrome (273444372).

The spelling of 131420241 in words is "one hundred thirty-one million, four hundred twenty thousand, two hundred forty-one".