131424403 has 8 divisors (see below), whose sum is σ = 143933040. Its totient is φ = 119009280.

The previous prime is 131424401. The next prime is 131424409. The reversal of 131424403 is 304424131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131424403 - 2¹ = 131424401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131424401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20418 + ... + 26071.

It is an arithmetic number, because the mean of its divisors is an integer number (17991630).

Almost surely, 2^131424403 is an apocalyptic number.

131424403 is a deficient number, since it is larger than the sum of its proper divisors (12508637).

131424403 is a wasteful number, since it uses less digits than its factorization.

131424403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46757.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 131424403 is about 11464.0482814754. The cubic root of 131424403 is about 508.4231741117.

Adding to 131424403 its reverse (304424131), we get a palindrome (435848534).

The spelling of 131424403 in words is "one hundred thirty-one million, four hundred twenty-four thousand, four hundred three".