131550203 has 2 divisors, whose sum is σ = 131550204. Its totient is φ = 131550202.

The previous prime is 131550197. The next prime is 131550217. The reversal of 131550203 is 302055131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131550203 - 2⁸ = 131549947 is a prime.

It is not a weakly prime, because it can be changed into another prime (131550253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65775101 + 65775102.

It is an arithmetic number, because the mean of its divisors is an integer number (65775102).

Almost surely, 2^131550203 is an apocalyptic number.

131550203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131550203 is an equidigital number, since it uses as much as digits as its factorization.

131550203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 131550203 is about 11469.5336871208. The cubic root of 131550203 is about 508.5853439909.

The spelling of 131550203 in words is "one hundred thirty-one million, five hundred fifty thousand, two hundred three".