131161303 has 16 divisors (see below), whose sum is σ = 161743680. Its totient is φ = 103574016.

The previous prime is 131161297. The next prime is 131161339. The reversal of 131161303 is 303161131.

It is not a de Polignac number, because 131161303 - 2⁹ = 131160791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131161343) 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 in 15 ways as a sum of consecutive naturals, for example, 60543 + ... + 62671.

It is an arithmetic number, because the mean of its divisors is an integer number (10108980).

Almost surely, 2^131161303 is an apocalyptic number.

131161303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131161303 is a deficient number, since it is larger than the sum of its proper divisors (30582377).

131161303 is a wasteful number, since it uses less digits than its factorization.

131161303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 131161303 is about 11452.5675287247. The cubic root of 131161303 is about 508.0836747592.

The spelling of 131161303 in words is "one hundred thirty-one million, one hundred sixty-one thousand, three hundred three".