131142420441 has 64 divisors (see below), whose sum is σ = 209894976000. Its totient is φ = 80677175040.

The previous prime is 131142420439. The next prime is 131142420463. The reversal of 131142420441 is 144024241131.

131142420441 is a `hidden beast` number, since 1 + 31 + 1 + 424 + 204 + 4 + 1 = 666.

It is not a de Polignac number, because 131142420441 - 2¹ = 131142420439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (131142420041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30775251 + ... + 30779511.

It is an arithmetic number, because the mean of its divisors is an integer number (3279609000).

Almost surely, 2^131142420441 is an apocalyptic number.

It is an amenable number.

131142420441 is a deficient number, since it is larger than the sum of its proper divisors (78752555559).

131142420441 is a wasteful number, since it uses less digits than its factorization.

131142420441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031 (or 6025 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 131142420441 its reverse (144024241131), we get a palindrome (275166661572).

The spelling of 131142420441 in words is "one hundred thirty-one billion, one hundred forty-two million, four hundred twenty thousand, four hundred forty-one".