131424203 has 2 divisors, whose sum is σ = 131424204. Its totient is φ = 131424202.

The previous prime is 131424193. The next prime is 131424217. The reversal of 131424203 is 302424131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131424203 - 2⁴ = 131424187 is a prime.

It is a super-2 number, since 2×131424203² = 34544642268370418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131424103) 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 as a sum of consecutive naturals, namely, 65712101 + 65712102.

It is an arithmetic number, because the mean of its divisors is an integer number (65712102).

Almost surely, 2^131424203 is an apocalyptic number.

131424203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131424203 is an equidigital number, since it uses as much as digits as its factorization.

131424203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 131424203 is about 11464.0395585500. The cubic root of 131424203 is about 508.4229162076.

Adding to 131424203 its reverse (302424131), we get a palindrome (433848334).

The spelling of 131424203 in words is "one hundred thirty-one million, four hundred twenty-four thousand, two hundred three".