131424001 has 4 divisors (see below), whose sum is σ = 137138112. Its totient is φ = 125709892.

The previous prime is 131423987. The next prime is 131424023. The reversal of 131424001 is 100424131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131424001 - 2¹⁵ = 131391233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131424031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857021 + ... + 2857066.

It is an arithmetic number, because the mean of its divisors is an integer number (34284528).

Almost surely, 2^131424001 is an apocalyptic number.

It is an amenable number.

131424001 is a deficient number, since it is larger than the sum of its proper divisors (5714111).

131424001 is an equidigital number, since it uses as much as digits as its factorization.

131424001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714110.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 131424001 is about 11464.0307483886. The cubic root of 131424001 is about 508.4226557242.

Adding to 131424001 its reverse (100424131), we get a palindrome (231848132).

The spelling of 131424001 in words is "one hundred thirty-one million, four hundred twenty-four thousand, one".