131441424 has 40 divisors (see below), whose sum is σ = 340624032. Its totient is φ = 43676160.

The previous prime is 131441419. The next prime is 131441437. The reversal of 131441424 is 424144131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131441394 and 131441403.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11752 + ... + 20024.

Almost surely, 2^131441424 is an apocalyptic number.

It is an amenable number.

131441424 is an abundant number, since it is smaller than the sum of its proper divisors (209182608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131441424 is a wasteful number, since it uses less digits than its factorization.

131441424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615 (or 8609 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 131441424 is about 11464.7906217253. The cubic root of 131441424 is about 508.4451220835.

Adding to 131441424 its reverse (424144131), we get a palindrome (555585555).

The spelling of 131441424 in words is "one hundred thirty-one million, four hundred forty-one thousand, four hundred twenty-four".