131173303 has 2 divisors, whose sum is σ = 131173304. Its totient is φ = 131173302.

The previous prime is 131173279. The next prime is 131173331. The reversal of 131173303 is 303371131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131173303 - 2⁹ = 131172791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131173373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65586651 + 65586652.

It is an arithmetic number, because the mean of its divisors is an integer number (65586652).

Almost surely, 2^131173303 is an apocalyptic number.

131173303 is a deficient number, since it is larger than the sum of its proper divisors (1).

131173303 is an equidigital number, since it uses as much as digits as its factorization.

131173303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 131173303 is about 11453.0914167311. The cubic root of 131173303 is about 508.0991692128.

The spelling of 131173303 in words is "one hundred thirty-one million, one hundred seventy-three thousand, three hundred three".