131333203 has 2 divisors, whose sum is σ = 131333204. Its totient is φ = 131333202.

The previous prime is 131333201. The next prime is 131333227. The reversal of 131333203 is 302333131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131333203 - 2¹ = 131333201 is a prime.

Together with 131333201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131333201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666601 + 65666602.

It is an arithmetic number, because the mean of its divisors is an integer number (65666602).

Almost surely, 2^131333203 is an apocalyptic number.

131333203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131333203 is an equidigital number, since it uses as much as digits as its factorization.

131333203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 131333203 is about 11460.0699387046. The cubic root of 131333203 is about 508.3055426773.

Adding to 131333203 its reverse (302333131), we get a palindrome (433666334).

The spelling of 131333203 in words is "one hundred thirty-one million, three hundred thirty-three thousand, two hundred three".