131053591 has 2 divisors, whose sum is σ = 131053592. Its totient is φ = 131053590.

The previous prime is 131053567. The next prime is 131053603. The reversal of 131053591 is 195350131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131053591 - 2²⁵ = 97499159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131053501) 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, 65526795 + 65526796.

It is an arithmetic number, because the mean of its divisors is an integer number (65526796).

Almost surely, 2^131053591 is an apocalyptic number.

131053591 is a deficient number, since it is larger than the sum of its proper divisors (1).

131053591 is an equidigital number, since it uses as much as digits as its factorization.

131053591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 131053591 is about 11447.8640365791. The cubic root of 131053591 is about 507.9445542127.

The spelling of 131053591 in words is "one hundred thirty-one million, fifty-three thousand, five hundred ninety-one".