131161003 has 2 divisors, whose sum is σ = 131161004. Its totient is φ = 131161002.

The previous prime is 131160989. The next prime is 131161007. The reversal of 131161003 is 300161131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131161003 is a prime.

It is not a weakly prime, because it can be changed into another prime (131161007) 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, 65580501 + 65580502.

It is an arithmetic number, because the mean of its divisors is an integer number (65580502).

Almost surely, 2^131161003 is an apocalyptic number.

131161003 is a deficient number, since it is larger than the sum of its proper divisors (1).

131161003 is an equidigital number, since it uses as much as digits as its factorization.

131161003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 131161003 is about 11452.5544312175. The cubic root of 131161003 is about 508.0832873858.

The spelling of 131161003 in words is "one hundred thirty-one million, one hundred sixty-one thousand, three".