131303203 has 2 divisors, whose sum is σ = 131303204. Its totient is φ = 131303202.

The previous prime is 131303201. The next prime is 131303239. The reversal of 131303203 is 302303131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131303203 - 2¹ = 131303201 is a prime.

It is a super-2 number, since 2×131303203² = 34481062236118418, which contains 22 as substring.

Together with 131303201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131303201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651601 + 65651602.

It is an arithmetic number, because the mean of its divisors is an integer number (65651602).

Almost surely, 2^131303203 is an apocalyptic number.

131303203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131303203 is an equidigital number, since it uses as much as digits as its factorization.

131303203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 131303203 is about 11458.7609714140. The cubic root of 131303203 is about 508.2668362238.

Adding to 131303203 its reverse (302303131), we get a palindrome (433606334).

The spelling of 131303203 in words is "one hundred thirty-one million, three hundred three thousand, two hundred three".