131230087 has 2 divisors, whose sum is σ = 131230088. Its totient is φ = 131230086.

The previous prime is 131230051. The next prime is 131230117. The reversal of 131230087 is 780032131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131230087 - 2¹¹ = 131228039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131230487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65615043 + 65615044.

It is an arithmetic number, because the mean of its divisors is an integer number (65615044).

Almost surely, 2^131230087 is an apocalyptic number.

131230087 is a deficient number, since it is larger than the sum of its proper divisors (1).

131230087 is an equidigital number, since it uses as much as digits as its factorization.

131230087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 131230087 is about 11455.5701298539. The cubic root of 131230087 is about 508.1724761543.

The spelling of 131230087 in words is "one hundred thirty-one million, two hundred thirty thousand, eighty-seven".